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Wikipedia:Vital articles/data/U.json

From Wikipedia, the free encyclopedia
Universe
level2
topic"Physical sciences"
section"Science and medicine"
United Arab Emirates
level3
topic"Geography"
section"Countries"
Ukraine
level3
topic"Geography"
section"Countries"
United Kingdom
level3
topic"Geography"
section"Countries"
United States
level3
topic"Geography"
section"Countries"
United Nations
level3
topic"Society and social sciences"
section"Politics and government"
University
level3
topic"Society and social sciences"
section"Education"
Uranus
level3
topic"Physical sciences"
section"Astronomy"
Uffizi
level4
topic"Arts"
section"Europe"
Utopia
level4
topic"Arts"
section"Basics"
Utopia (book)
level4
topic"Arts"
section"Fiction of early printed book era"
Ulysses (novel)
level4
topic"Arts"
section"Fiction of modern era"
Uncle Tom's Cabin
level4
topic"Arts"
section"Fiction of modern era"
Ukiyo-e
level4
topic"Arts"
section"Non-Western art traditions"
Uterus
level4
topic"Biology and health sciences"
section"Reproductive system"
Urinary system
level4
topic"Biology and health sciences"
section"Urinary system"
Urology
level4
topic"Biology and health sciences"
section"Fields of medicine"
Underwear
level4
topic"Everyday life"
section"Clothing and fashion"
Umbrella
level4
topic"Everyday life"
section"Clothing and fashion"
Uniform
level4
topic"Everyday life"
section"Clothing and fashion"
UEFA Champions League
level4
topic"Everyday life"
section"Team sports"
Underwater diving
level4
topic"Everyday life"
section"Water sports"
Ural (river)
level4
topic"Geography"
section"Asia_2"
Uruguay River
level4
topic"Geography"
section"South America_2"
Ubangi River
level4
topic"Geography"
section"Africa_2"
Ural Mountains
level4
topic"Geography"
section"Europe_5"
Uluru
level4
topic"Geography"
section"Oceania_4"
Uganda
level4
topic"Geography"
section"East Africa"
Uzbekistan
level4
topic"Geography"
section"Central Asia"
Uruguay
level4
topic"Geography"
section"South America_8"
Uttar Pradesh
level4
topic"Geography"
section"India"
Urban planning
level4
topic"Geography"
section"Urban studies and planning"
Urban design
level4
topic"Geography"
section"Urban studies and planning"
Urbanization
level4
topic"Geography"
section"Urban studies and planning"
Ulaanbaatar
level4
topic"Geography"
section"Mongolia"
Ufa
level4
topic"Geography"
section"Russia_2"
Upper Paleolithic
level4
topic"History"
section"Prehistory"
Urartu
level4
topic"History"
section"West Asia"
Umayyad Caliphate
level4
topic"History"
section"West Asia_2"
Uyghur Khaganate
level4
topic"History"
section"Central Asia and Iran"
Umayyad state of Córdoba
level4
topic"History"
section"Spain"
Unification of Italy
level4
topic"History"
section"Western Europe_3"
Unification of Germany
level4
topic"History"
section"Western Europe_3"
Ugarit
level4
topic"History"
section"Asia_6"
Ur
level4
topic"History"
section"Asia_6"
Uruk
level4
topic"History"
section"Asia_6"
Union (set theory)
level4
topic"Mathematics"
section"Discrete mathematics"
Ursula K. Le Guin
level4
topic"People"
section"US and Canada"
Upton Sinclair
level4
topic"People"
section"US and Canada"
Umberto Eco
level4
topic"People"
section"Western Europe"
Umm Kulthum
level4
topic"People"
section"Non-English language singers"
Ulugh Beg
level4
topic"People"
section"Central Asia, Iran, Caucasus"
Umar
level4
topic"People"
section"Caliphates"
Uthman
level4
topic"People"
section"Caliphates"
Ulysses S. Grant
level4
topic"People"
section"Modern_8"
Usain Bolt
level4
topic"People"
section"Athletics"
Utilitarianism
level4
topic"Philosophy and religion"
section"Approaches"
Unitarianism
level4
topic"Philosophy and religion"
section"Branches"
Upanishads
level4
topic"Philosophy and religion"
section"Hinduism"
Unicorn
level4
topic"Philosophy and religion"
section"Mythological creatures"
Unit of measurement
level4
topic"Physical sciences"
section"Measurement: General"
United States customary units
level4
topic"Physical sciences"
section"Measurement systems"
Ursa Major
level4
topic"Physical sciences"
section"Constellations"
Ursa Minor
level4
topic"Physical sciences"
section"Constellations"
Ultimate fate of the universe
level4
topic"Physical sciences"
section"Physical cosmology"
Uranium
level4
topic"Physical sciences"
section"Chemical elements_2"
Urea
level4
topic"Physical sciences"
section"Carbon–nitrogen bond"
Ultraviolet
level4
topic"Physical sciences"
section"Electrodynamics"
Uncertainty principle
level4
topic"Physical sciences"
section"Quantum mechanics"
Ultrasound
level4
topic"Physical sciences"
section"Waves"
United States dollar
level4
topic"Society and social sciences"
section"Specific currencies"
Unemployment
level4
topic"Society and social sciences"
section"Employment"
University of Toronto
level4
topic"Society and social sciences"
section"Americas_2"
University of Chicago
level4
topic"Society and social sciences"
section"United States"
University of California, Berkeley
level4
topic"Society and social sciences"
section"United States"
University of Tokyo
level4
topic"Society and social sciences"
section"Japan"
University of Copenhagen
level4
topic"Society and social sciences"
section"Europe_2"
University of Paris
level4
topic"Society and social sciences"
section"Europe_2"
University of Vienna
level4
topic"Society and social sciences"
section"Europe_2"
University of Göttingen
level4
topic"Society and social sciences"
section"Germany"
University of Bologna
level4
topic"Society and social sciences"
section"Italy"
University of Cambridge
level4
topic"Society and social sciences"
section"UK"
University of Oxford
level4
topic"Society and social sciences"
section"UK"
Uyghurs
level4
topic"Society and social sciences"
section"Ethnic groups"
UNESCO
level4
topic"Society and social sciences"
section"United Nations organizations"
UNICEF
level4
topic"Society and social sciences"
section"United Nations organizations"
Uralic languages
level4
topic"Society and social sciences"
section"Language families"
Uto-Aztecan languages
level4
topic"Society and social sciences"
section"Language families"
Ukrainian language
level4
topic"Society and social sciences"
section"Slavic languages"
Urdu
level4
topic"Society and social sciences"
section"Indo-Aryan languages"
Uzbek language
level4
topic"Society and social sciences"
section"Turkic languages"
United States Declaration of Independence
level4
topic"Society and social sciences"
section"Specific documents"
Universal Declaration of Human Rights
level4
topic"Society and social sciences"
section"Specific documents"
Unitary state
level4
topic"Society and social sciences"
section"State structure and administration"
Upper class
level4
topic"Society and social sciences"
section"Social classes"
Underclass
level4
topic"Society and social sciences"
section"Social classes"
Urban agriculture
level4
topic"Technology"
section"Forms"
Unix
level4
topic"Technology"
section"Operating systems"
User interface
level4
topic"Technology"
section"User interface"
Unmanned aerial vehicle
level4
topic"Technology"
section"Aviation"
United States Capitol
level5
topic"Arts"
section"Americas"
Umayyad Mosque
level5
topic"Arts"
section"Asia"
United States Holocaust Memorial Museum
level5
topic"Arts"
section"United States"
Unidentified flying object
level5
topic"Arts"
section"Speculative fiction"
Unreliable narrator
level5
topic"Arts"
section"Narrative"
Up from Slavery
level5
topic"Arts"
section"Biographies and memoirs"
Under the Volcano
level5
topic"Arts"
section"Literary fiction"
U.S.A. (trilogy)
level5
topic"Arts"
section"Literary fiction"
Ukulele
level5
topic"Arts"
section"String instruments"
Unchained Melody
level5
topic"Arts"
section"Soundtracks"
User experience design
level5
topic"Arts"
section"Design"
User interface design
level5
topic"Arts"
section"Design"
Un Chien Andalou
level5
topic"Arts"
section"Art film"
Ugetsu
level5
topic"Arts"
section"Romance films"
Uncle Sam
level5
topic"Arts"
section"Western folklore"
Urashima Tarō
level5
topic"Arts"
section"Eastern folklore"
Uncle Tom
level5
topic"Arts"
section"Literature and drama"
Ultraman (character)
level5
topic"Arts"
section"Heroes"
Ursid hybrid
level5
topic"Biology and health sciences"
sublist"Animals"
section"Hybrids"
Uintatherium
level5
topic"Biology and health sciences"
sublist"Animals"
section"Mammals: General"
Ungulate
level5
topic"Biology and health sciences"
sublist"Animals"
section"Mammals: General"
Uakari
level5
topic"Biology and health sciences"
sublist"Animals"
section"New World monkeys"
Uroplatinae
level5
topic"Biology and health sciences"
sublist"Animals"
section"Lizards"
Uromastyx
level5
topic"Biology and health sciences"
sublist"Animals"
section"Iguania"
Unenlagiinae
level5
topic"Biology and health sciences"
sublist"Animals"
section"Theropods"
Utahraptor
level5
topic"Biology and health sciences"
sublist"Animals"
section"Theropods"
Uropygi
level5
topic"Biology and health sciences"
sublist"Animals"
section"Arachnids"
Unionida
level5
topic"Biology and health sciences"
sublist"Animals"
section"Bivalvia"
Umbrella octopus
level5
topic"Biology and health sciences"
sublist"Animals"
section"Cephalopods"
Umami
level5
topic"Biology and health sciences"
sublist"Biology"
section"Nervous system"
Ulna
level5
topic"Biology and health sciences"
sublist"Biology"
section"Skeletal system"
Urethra
level5
topic"Biology and health sciences"
sublist"Biology"
section"Urinary system"
Ureter
level5
topic"Biology and health sciences"
sublist"Biology"
section"Urinary system"
Urine
level5
topic"Biology and health sciences"
sublist"Biology"
section"Urinary system"
Urination
level5
topic"Biology and health sciences"
sublist"Biology"
section"Basics"
Umbilical cord
level5
topic"Biology and health sciences"
sublist"Biology"
section"Animal ontogeny"
Uracil
level5
topic"Biology and health sciences"
sublist"Biology"
section"Nucleic acids"
Ubiquitin
level5
topic"Biology and health sciences"
sublist"Biology"
section"Molecular biology"
Unipedalism
level5
topic"Biology and health sciences"
sublist"Biology"
section"Ethology"
Urban ecology
level5
topic"Biology and health sciences"
sublist"Biology"
section"Ecology"
Urine test
level5
topic"Biology and health sciences"
sublist"Health"
section"Diagnostics"
Uvula
level5
topic"Biology and health sciences"
sublist"Health"
section"Human anatomy"
Ulcerative colitis
level5
topic"Biology and health sciences"
sublist"Health"
section"Disease"
Urinary tract infection
level5
topic"Biology and health sciences"
sublist"Health"
section"Concepts"
Ulmaceae
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus americana
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus davidiana
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus glabra
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus laevis
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus minor
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus parvifolia
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus pumila
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Ulmus rubra
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Urticaceae
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Urtica dioica
level5
topic"Biology and health sciences"
sublist"Plants"
section"Rosales"
Utricularia
level5
topic"Biology and health sciences"
sublist"Plants"
section"Carnivorous plants"
Usnea
level5
topic"Biology and health sciences"
sublist"Plants"
section"Lichens"
Ushanka
level5
topic"Everyday life"
section"Headgear"
Undershirt
level5
topic"Everyday life"
section"Underwear"
Ukrainian cuisine
level5
topic"Everyday life"
section"Cuisine"
Uzbek cuisine
level5
topic"Everyday life"
section"Cuisine"
Ugali
level5
topic"Everyday life"
section"Grains-based products"
Udon
level5
topic"Everyday life"
section"Food types"
Unintended pregnancy
level5
topic"Everyday life"
section"Marriage and parenting"
Uncle
level5
topic"Everyday life"
section"Second-degree relatives"
Upholstery
level5
topic"Everyday life"
section"Furniture and interior design"
Urolagnia
level5
topic"Everyday life"
section"Sexuality and gender"
Universal Destinations & Experiences
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Specific amusement parks"
Uno (card game)
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Card games"
Ultima (series)
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"US products"
UEFA European Championship
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Team sports"
Ultimate frisbee
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Team sports"
Ultramarathon
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Athletics"
U.S. Open (golf)
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Other individual sports"
Uneven bars
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Other individual sports"
US Open (tennis)
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Other individual sports"
United Rugby Championship
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Sports leagues"
Ultimate Fighting Championship
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Sports leagues"
United States women's national soccer team
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Association football_2"
United States men's national basketball team
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Basketball"
Union Cycliste Internationale
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Governing authorities"
UEFA
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Governing authorities"
United World Wrestling
level5
topic"Everyday life"
sublist"Sports, games and recreation"
section"Governing authorities"
Urban area
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urban decay
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urban park
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urbanism
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urban renewal
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urban sprawl
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Urban studies
level5
topic"Geography"
sublist"Cities"
section"Urban studies and planning"
Umuahia
level5
topic"Geography"
sublist"Cities"
section"Nigeria"
Uyo
level5
topic"Geography"
sublist"Cities"
section"Nigeria"
Ushuaia
level5
topic"Geography"
sublist"Cities"
section"Argentina"
Utsunomiya
level5
topic"Geography"
sublist"Cities"
section"Kantō"
Uijeongbu
level5
topic"Geography"
sublist"Cities"
section"South Korea"
Ulsan
level5
topic"Geography"
sublist"Cities"
section"South Korea"
Udaipur
level5
topic"Geography"
sublist"Cities"
section"North India"
Ulhasnagar
level5
topic"Geography"
sublist"Cities"
section"West India"
Uzhavarkarai
level5
topic"Geography"
sublist"Cities"
section"South India"
Ujjain
level5
topic"Geography"
sublist"Cities"
section"Central India"
Urmia
level5
topic"Geography"
sublist"Cities"
section"Iran"
Urfa
level5
topic"Geography"
sublist"Cities"
section"Turkey"
Ulan-Ude
level5
topic"Geography"
sublist"Cities"
section"Far East"
Ulyanovsk
level5
topic"Geography"
sublist"Cities"
section"Volga"
Umeå
level5
topic"Geography"
sublist"Cities"
section"Sweden"
Uppsala
level5
topic"Geography"
sublist"Cities"
section"Sweden"
Utrecht
level5
topic"Geography"
sublist"Cities"
section"Netherlands"
Uttarakhand
level5
topic"Geography"
sublist"Countries"
section"India"
Upper Austria
level5
topic"Geography"
sublist"Countries"
section"Austria"
Ulster
level5
topic"Geography"
sublist"Countries"
section"Ireland"
Umbria
level5
topic"Geography"
sublist"Countries"
section"Italy"
Utrecht (province)
level5
topic"Geography"
sublist"Countries"
section"Netherlands"
Udmurtia
level5
topic"Geography"
sublist"Countries"
section"Russia"
U.S. state
level5
topic"Geography"
sublist"Countries"
section"United States"
Upland South
level5
topic"Geography"
sublist"Countries"
section"United States"
Utah
level5
topic"Geography"
sublist"Countries"
section"United States"
United States Virgin Islands
level5
topic"Geography"
sublist"Countries"
section"United States"
Uele River
level5
topic"Geography"
sublist"Physical"
section"Africa_2"
Ussuri
level5
topic"Geography"
sublist"Physical"
section"East Asia"
Usumacinta River
level5
topic"Geography"
sublist"Physical"
section"Mexico and Central America"
Uraga Channel
level5
topic"Geography"
sublist"Physical"
section"Straits"
Ungava Peninsula
level5
topic"Geography"
sublist"Physical"
section"Americas"
Uinta Mountains
level5
topic"Geography"
sublist"Physical"
section"North America_3"
Ulawun
level5
topic"Geography"
sublist"Physical"
section"Oceania_6"
Upper Taz Nature Reserve
level5
topic"Geography"
sublist"Physical"
section"Asia_7"
Urho Kekkonen National Park
level5
topic"Geography"
sublist"Physical"
section"Europe_7"
Union Jack
level5
topic"History"
section"Europe"
Uxmal
level5
topic"History"
section"Americas"
Urban history
level5
topic"History"
section"History by topic"
Ubaid period
level5
topic"History"
section"Prehistory"
Uruk period
level5
topic"History"
section"Western Asia"
Upheaval of the Five Barbarians
level5
topic"History"
section"Eastern Asia"
Umayyad campaigns in India
level5
topic"History"
section"Southern Asia_2"
Union of Lublin
level5
topic"History"
section"Eastern Europe and Central"
Ukrainian national revival
level5
topic"History"
section"Eastern Europe and Central"
U-boat campaign
level5
topic"History"
section"World War I"
Ulm campaign
level5
topic"History"
section"Europe_7"
Ukrainian War of Independence
level5
topic"History"
section"Europe_7"
Union between Sweden and Norway
level5
topic"History"
section"Europe_7"
United Kingdom of Great Britain and Ireland
level5
topic"History"
section"Europe_7"
United States occupation of Haiti
level5
topic"History"
section"Americas_5"
United States occupation of Nicaragua
level5
topic"History"
section"Americas_5"
USS Maine (1889)
level5
topic"History"
section"United States_2"
Underground Railroad
level5
topic"History"
section"United States_2"
Union (American Civil War)
level5
topic"History"
section"American Civil War"
Union of South Africa
level5
topic"History"
section"Africa_7"
Unit 731
level5
topic"History"
section"East Asia"
Unequal treaties
level5
topic"History"
section"East Asia"
United States invasion of Grenada
level5
topic"History"
section"Central America and Caribbean"
United States invasion of Panama
level5
topic"History"
section"Central America and Caribbean"
Unification of Saudi Arabia
level5
topic"History"
section"West Asia"
Ulster Volunteer Force
level5
topic"History"
section"Western Europe_3"
Unit circle
level5
topic"Mathematics"
section"Trigonometry"
Universal quantification
level5
topic"Mathematics"
section"Mathematical logic"
Universe (mathematics)
level5
topic"Mathematics"
section"Set theory"
Universal Turing machine
level5
topic"Mathematics"
section"Computability theory"
Ultraproduct
level5
topic"Mathematics"
section"Model theory"
Universal property
level5
topic"Mathematics"
section"Category theory"
Upper and lower bounds
level5
topic"Mathematics"
section"Order theory"
Ultrafilter
level5
topic"Mathematics"
section"Order theory"
Uniform convergence
level5
topic"Mathematics"
section"Mathematical analysis"
Umberto Boccioni
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Modern era"
Uche Okeke
level5
topic"People"
sublist"Artists, musicians, and composers"
section"African"
Uemura Shōen
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Japanese"
Utagawa Toyokuni
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Japanese"
Utamaro
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Japanese"
Unsuk Chin
level5
topic"People"
sublist"Artists, musicians, and composers"
section"21st century contemporary"
Uncle Dave Macon
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Country"
Usher (musician)
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Blues, R&B, Funk, Zydeco and Soul"
U2
level5
topic"People"
sublist"Artists, musicians, and composers"
section"Rock: General"
Uche Jombo
level5
topic"People"
sublist"Entertainers, directors, producers, and screenwriters"
section"Africa_2"
Uma Thurman
level5
topic"People"
sublist"Entertainers, directors, producers, and screenwriters"
section"United States_2"
Uday Shankar
level5
topic"People"
sublist"Entertainers, directors, producers, and screenwriters"
section"Other dance"
Ub Iwerks
level5
topic"People"
sublist"Entertainers, directors, producers, and screenwriters"
section"Animators and puppeteers"
Uehara Yūsaku
level5
topic"People"
sublist"Military personnel, revolutionaries, and activists"
section"Asia_2"
Uri Avnery
level5
topic"People"
sublist"Military personnel, revolutionaries, and activists"
section"Western Asia"
Ulrike Meinhof
level5
topic"People"
sublist"Miscellaneous"
section"Terrorism"
Unity Mitford
level5
topic"People"
sublist"Miscellaneous"
section"Socialites"
Uri Geller
level5
topic"People"
sublist"Miscellaneous"
section"Paranormal"
Ulrich Beck
level5
topic"People"
sublist"Philosophers, historians, political and social scientists"
section"Sociologists"
Ulrich von Wilamowitz-Moellendorff
level5
topic"People"
sublist"Philosophers, historians, political and social scientists"
section"Classicists"
Ulric Neisser
level5
topic"People"
sublist"Philosophers, historians, political and social scientists"
section"Psychologists"
Ur-Nammu
level5
topic"People"
sublist"Politicians and leaders"
section"Sumer"
Urukagina
level5
topic"People"
sublist"Politicians and leaders"
section"Sumer"
Usman dan Fodio
level5
topic"People"
sublist"Politicians and leaders"
section"Africa_3"
Uesugi Kenshin
level5
topic"People"
sublist"Politicians and leaders"
section"Japan_3"
Ugyen Wangchuck
level5
topic"People"
sublist"Politicians and leaders"
section"Southern Asia_4"
Umberto I of Italy
level5
topic"People"
sublist"Politicians and leaders"
section"Monarchs_2"
Umberto II of Italy
level5
topic"People"
sublist"Politicians and leaders"
section"Monarchs_2"
Umaru Musa Yar'Adua
level5
topic"People"
sublist"Politicians and leaders"
section"Nigeria"
U Thant
level5
topic"People"
sublist"Politicians and leaders"
section"Burma and Myanmar"
Urho Kekkonen
level5
topic"People"
sublist"Politicians and leaders"
section"Scandinavia_4"
Ursula von der Leyen
level5
topic"People"
sublist"Politicians and leaders"
section"Unified Germany"
Uddālaka Āruṇi
level5
topic"People"
sublist"Religious figures"
section"Ancient"
Udayana
level5
topic"People"
sublist"Religious figures"
section"Post-classical"
Uppalavanna
level5
topic"People"
sublist"Religious figures"
section"Indian Buddhism"
Ubayy ibn Ka'b
level5
topic"People"
sublist"Religious figures"
section"Islam: General"
Urbain Le Verrier
level5
topic"People"
sublist"Scientists, inventors, and mathematicians"
section"Astronomy"
Umberto Nobile
level5
topic"People"
sublist"Scientists, inventors, and mathematicians"
section"Inventors and engineers"
Uljana Semjonova
level5
topic"People"
sublist"Sports figures"
section"Women"
Ulrich Salchow
level5
topic"People"
sublist"Sports figures"
section"Figure skating"
Udo Lattek
level5
topic"People"
sublist"Sports figures"
section"Association football_2"
Ueda Akinari
level5
topic"People"
sublist"Writers and journalists"
section"Asia_3"
Uwe Johnson
level5
topic"People"
sublist"Writers and journalists"
section"Western Europe"
Umar ibn Abi Rabi'ah
level5
topic"People"
sublist"Writers and journalists"
section"Asia_6"
Ugo Foscolo
level5
topic"People"
sublist"Writers and journalists"
section"Western Europe_2"
Uncertainty
level5
topic"Philosophy and religion"
section"Concepts_2"
Uncanny valley
level5
topic"Philosophy and religion"
section"Aesthetics"
Underworld
level5
topic"Philosophy and religion"
section"Afterlife"
Unconditional love
level5
topic"Philosophy and religion"
section"Theology"
United Methodist Church
level5
topic"Philosophy and religion"
section"Denominations"
Unitarian Universalism
level5
topic"Philosophy and religion"
section"Denominations"
Ummah
level5
topic"Philosophy and religion"
section"Terms"
Ulama
level5
topic"Philosophy and religion"
section"Terms"
Upekṣā
level5
topic"Philosophy and religion"
section"Concepts_5"
Unification Church
level5
topic"Philosophy and religion"
section"New religious movements"
UFO religion
level5
topic"Philosophy and religion"
section"New religious movements"
Urban legend
level5
topic"Philosophy and religion"
section"Mythology: General"
Umay
level5
topic"Philosophy and religion"
section"Central Asian mythology"
Uppsala General Catalogue
level5
topic"Physical sciences"
sublist"Astronomy"
section"Surveys and Catalogs"
UBV photometric system
level5
topic"Physical sciences"
sublist"Astronomy"
section"Basics"
Ultraviolet astronomy
level5
topic"Physical sciences"
sublist"Astronomy"
section"High-energy astronomy"
Umbriel
level5
topic"Physical sciences"
sublist"Astronomy"
section"Solar System"
UY Scuti
level5
topic"Physical sciences"
sublist"Astronomy"
section"Notable stars"
Umbra, penumbra and antumbra
level5
topic"Physical sciences"
sublist"Astronomy"
section"Celestial mechanics"
Ultra-high-energy cosmic ray
level5
topic"Physical sciences"
sublist"Astronomy"
section"Basics_2"
Unbarred spiral galaxy
level5
topic"Physical sciences"
sublist"Astronomy"
section"Galaxy classification"
Units of information
level5
topic"Physical sciences"
sublist"Basics and measurement"
section"Basics"
Unit of account
level5
topic"Physical sciences"
sublist"Basics and measurement"
section"Measurement systems"
Ultraviolet index
level5
topic"Physical sciences"
sublist"Basics and measurement"
section"Other_2"
Uranium-238
level5
topic"Physical sciences"
sublist"Chemistry"
section"Actinides"
Uranium-235
level5
topic"Physical sciences"
sublist"Chemistry"
section"Actinides"
Ununennium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Unbinilium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Unbiunium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Unbibium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Unbiquadium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Unbihexium
level5
topic"Physical sciences"
sublist"Chemistry"
section"Periods"
Uric acid
level5
topic"Physical sciences"
sublist"Chemistry"
section"Alkaloids"
Uranium hexafluoride
level5
topic"Physical sciences"
sublist"Chemistry"
section"Halide salts"
Ultrafast laser spectroscopy
level5
topic"Physical sciences"
sublist"Chemistry"
section"Spectroscopy"
Ultraviolet–visible spectroscopy
level5
topic"Physical sciences"
sublist"Chemistry"
section"Spectroscopy"
Ultrafiltration
level5
topic"Physical sciences"
sublist"Chemistry"
section"Other separations"
Unit operation
level5
topic"Physical sciences"
sublist"Chemistry"
section"Chemical engineering"
Uranium–lead dating
level5
topic"Physical sciences"
sublist"Earth science"
section"Geochronology"
Ur (continent)
level5
topic"Physical sciences"
sublist"Earth science"
section"Paleogeography"
Ulexite
level5
topic"Physical sciences"
sublist"Earth science"
section"Minerals"
Umber
level5
topic"Physical sciences"
sublist"Earth science"
section"Minerals"
Uraninite
level5
topic"Physical sciences"
sublist"Earth science"
section"Minerals"
Unconformity
level5
topic"Physical sciences"
sublist"Earth science"
section"Stratigraphy"
Upper mantle
level5
topic"Physical sciences"
sublist"Earth science"
section"Tectonics"
Upland and lowland
level5
topic"Physical sciences"
sublist"Earth science"
section"Landforms: General"
U-shaped valley
level5
topic"Physical sciences"
sublist"Earth science"
section"Glacial landforms"
Uninhabited island
level5
topic"Physical sciences"
sublist"Earth science"
section"Oceanic and coastal landforms"
Upwelling
level5
topic"Physical sciences"
sublist"Earth science"
section"Oceanography"
Underground lake
level5
topic"Physical sciences"
sublist"Earth science"
section"Hydrology"
Ultramarine
level5
topic"Physical sciences"
sublist"Physics"
section"Colors"
Unit cell
level5
topic"Physical sciences"
sublist"Physics"
section"Crystallography"
Unitary transformation (quantum mechanics)
level5
topic"Physical sciences"
sublist"Physics"
section"Quantum mechanics"
Unified field theory
level5
topic"Physical sciences"
sublist"Physics"
section"Particle physics: General"
Up quark
level5
topic"Physical sciences"
sublist"Physics"
section"Fermions"
Ultraviolet catastrophe
level5
topic"Physical sciences"
sublist"Physics"
section"Thermodynamics"
Undergraduate education
level5
topic"Society and social sciences"
sublist"Culture"
section"Education: General"
Undergraduate degree
level5
topic"Society and social sciences"
sublist"Culture"
section"Education: General"
Universal Decimal Classification
level5
topic"Society and social sciences"
sublist"Culture"
section"Education: General"
University of al-Qarawiyyin
level5
topic"Society and social sciences"
sublist"Culture"
section"Africa_2"
University of Cape Town
level5
topic"Society and social sciences"
sublist"Culture"
section"South Africa"
University of Alberta
level5
topic"Society and social sciences"
sublist"Culture"
section"Canada"
University of British Columbia
level5
topic"Society and social sciences"
sublist"Culture"
section"Canada"
Université de Montréal
level5
topic"Society and social sciences"
sublist"Culture"
section"Canada"
University of Waterloo
level5
topic"Society and social sciences"
sublist"Culture"
section"Canada"
United States Air Force Academy
level5
topic"Society and social sciences"
sublist"Culture"
section"United States"
United States Military Academy
level5
topic"Society and social sciences"
sublist"Culture"
section"United States"
United States Naval Academy
level5
topic"Society and social sciences"
sublist"Culture"
section"United States"
University of Miami
level5
topic"Society and social sciences"
sublist"Culture"
section"ACC"
University of North Carolina at Chapel Hill
level5
topic"Society and social sciences"
sublist"Culture"
section"ACC"
University of Notre Dame
level5
topic"Society and social sciences"
sublist"Culture"
section"ACC"
University of Pittsburgh
level5
topic"Society and social sciences"
sublist"Culture"
section"ACC"
University of Virginia
level5
topic"Society and social sciences"
sublist"Culture"
section"ACC"
University of Illinois Urbana-Champaign
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Iowa
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Maryland, College Park
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Michigan
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Minnesota
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Wisconsin–Madison
level5
topic"Society and social sciences"
sublist"Culture"
section"Big Ten"
University of Kansas
level5
topic"Society and social sciences"
sublist"Culture"
section"Big 12"
University of Texas at Austin
level5
topic"Society and social sciences"
sublist"Culture"
section"Big 12"
University of Pennsylvania
level5
topic"Society and social sciences"
sublist"Culture"
section"Ivy League"
University of Alabama
level5
topic"Society and social sciences"
sublist"Culture"
section"SEC"
University of Florida
level5
topic"Society and social sciences"
sublist"Culture"
section"SEC"
University of Georgia
level5
topic"Society and social sciences"
sublist"Culture"
section"SEC"
University of Missouri
level5
topic"Society and social sciences"
sublist"Culture"
section"SEC"
University of Arizona
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of California, Los Angeles
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of Colorado Boulder
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of Oregon
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of Southern California
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of Washington
level5
topic"Society and social sciences"
sublist"Culture"
section"Pac-12"
University of California
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of California, Davis
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of California, Irvine
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of California, San Diego
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of California, Santa Barbara
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of North Carolina
level5
topic"Society and social sciences"
sublist"Culture"
section"University systems"
University of Buenos Aires
level5
topic"Society and social sciences"
sublist"Culture"
section"South America"
University of São Paulo
level5
topic"Society and social sciences"
sublist"Culture"
section"South America"
University of Indonesia
level5
topic"Society and social sciences"
sublist"Culture"
section"Asia_2"
University of Science and Technology of China
level5
topic"Society and social sciences"
sublist"Culture"
section"C9"
University of Hong Kong
level5
topic"Society and social sciences"
sublist"Culture"
section"Hong Kong"
University of Calcutta
level5
topic"Society and social sciences"
sublist"Culture"
section"India"
University of Madras
level5
topic"Society and social sciences"
sublist"Culture"
section"India"
University of Mumbai
level5
topic"Society and social sciences"
sublist"Culture"
section"India"
University of Tehran
level5
topic"Society and social sciences"
sublist"Culture"
section"Iran"
University of Tsukuba
level5
topic"Society and social sciences"
sublist"Culture"
section"Japan"
University of Coimbra
level5
topic"Society and social sciences"
sublist"Culture"
section"Europe_2"
University of Helsinki
level5
topic"Society and social sciences"
sublist"Culture"
section"Europe_2"
University of Innsbruck
level5
topic"Society and social sciences"
sublist"Culture"
section"Austria"
UCLouvain
level5
topic"Society and social sciences"
sublist"Culture"
section"Belgium"
University of Strasbourg
level5
topic"Society and social sciences"
sublist"Culture"
section"France"
University of Stuttgart
level5
topic"Society and social sciences"
sublist"Culture"
section"TU9"
University of Bonn
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Cologne
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Freiburg
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Hamburg
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Mainz
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Münster
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Tübingen
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Würzburg
level5
topic"Society and social sciences"
sublist"Culture"
section"U15"
University of Padua
level5
topic"Society and social sciences"
sublist"Culture"
section"Italy"
University of Naples Federico II
level5
topic"Society and social sciences"
sublist"Culture"
section"Italy"
University of Amsterdam
level5
topic"Society and social sciences"
sublist"Culture"
section"Netherlands"
University of Groningen
level5
topic"Society and social sciences"
sublist"Culture"
section"Netherlands"
Utrecht University
level5
topic"Society and social sciences"
sublist"Culture"
section"Netherlands"
University of Barcelona
level5
topic"Society and social sciences"
sublist"Culture"
section"Spain"
University of Navarra
level5
topic"Society and social sciences"
sublist"Culture"
section"Spain"
University of Salamanca
level5
topic"Society and social sciences"
sublist"Culture"
section"Spain"
Uppsala University
level5
topic"Society and social sciences"
sublist"Culture"
section"Sweden"
University of Zurich
level5
topic"Society and social sciences"
sublist"Culture"
section"Switzerland"
University of London
level5
topic"Society and social sciences"
sublist"Culture"
section"United Kingdom"
University of St Andrews
level5
topic"Society and social sciences"
sublist"Culture"
section"United Kingdom"
University of Birmingham
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Bristol
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Edinburgh
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Exeter
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Glasgow
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University College London
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Leeds
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Liverpool
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Manchester
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Nottingham
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Sheffield
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Southampton
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Warwick
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of York
level5
topic"Society and social sciences"
sublist"Culture"
section"Russell Group"
University of Auckland
level5
topic"Society and social sciences"
sublist"Culture"
section"Oceania"
University of Adelaide
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
University of Melbourne
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
University of New South Wales
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
University of Queensland
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
University of Sydney
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
University of Western Australia
level5
topic"Society and social sciences"
sublist"Culture"
section"Australia"
Ute people
level5
topic"Society and social sciences"
sublist"Culture"
section"Indigenous people"
Uyghur language
level5
topic"Society and social sciences"
sublist"Culture"
section"Turkic languages"
USA Today
level5
topic"Society and social sciences"
sublist"Culture"
section"United States_2"
United Nations Radio
level5
topic"Society and social sciences"
sublist"Culture"
section"Networks"
Uranium mining
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Industry"
Unemployment benefits
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Employment"
Utility
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Economics_2"
UBS
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Europe"
Uniqlo
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Clothing and accessories"
Unilever
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Food and drinks"
Universal Pictures
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Film, television, video game, and music production"
UnitedHealth Group
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Medical and health care services"
United Parcel Service
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Transport"
Uber
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Transport"
United Airlines
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Americas_3"
Universal suffrage
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Rights"
Unconscionability
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Contract law"
Undue influence
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Contract law"
United Nations resolution
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"International law"
Universal jurisdiction
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"International law"
Usury
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Crimes against property"
United States Code
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Legal codes"
United States Bill of Rights
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Political charters"
United States Congress
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States House of Representatives
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Senate
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Department of Defense
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Department of Justice
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Department of State
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Department of the Treasury
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Environmental Protection Agency
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Postal Service
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
United States Secret Service
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United States_2"
Union for the Mediterranean
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Intergovernmental organizations"
Union of South American Nations
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Intergovernmental organizations"
United Nations General Assembly
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United Nations"
United Nations Industrial Development Organization
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United Nations"
United Nations Secretariat
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United Nations"
United Nations Security Council
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"United Nations"
Unrepresented Nations and Peoples Organization
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Non-governmental organizations"
United Russia
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Political parties"
Unconventional warfare
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Warfare by type"
United States Armed Forces
level5
topic"Society and social sciences"
sublist"Politics and economics"
section"Military forces"
Unconscious mind
level5
topic"Society and social sciences"
sublist"Social studies"
section"Concepts"
Urban heat island
level5
topic"Society and social sciences"
sublist"Social studies"
section"Issues"
Urban horticulture
level5
topic"Technology"
section"Horticulture"
Unix time
level5
topic"Technology"
section"Computer architecture concepts"
UEFI
level5
topic"Technology"
section"Computer hardware"
USB
level5
topic"Technology"
section"User interface"
USB-C
level5
topic"Technology"
section"User interface"
Universal Disk Format
level5
topic"Technology"
section"Data storage and memory"
USB flash drive
level5
topic"Technology"
section"Non-volatile memory"
Universal Flash Storage
level5
topic"Technology"
section"Non-volatile memory"
Usenet
level5
topic"Technology"
section"Internet"
Universal Product Code
level5
topic"Technology"
section"Software development: General"
Unicode
level5
topic"Technology"
section"Software development: General"
UTF-8
level5
topic"Technology"
section"Software development: General"
Ultra-high-definition television
level5
topic"Technology"
section"Other media and communication technology"
UNIVAC I
level5
topic"Technology"
section"Early computers"
Unix-like
level5
topic"Technology"
section"Operating Systems"
Utility frequency
level5
topic"Technology"
section"Concepts"
Utility pole
level5
topic"Technology"
section"Electricity transmission and distribution"
Underground power line
level5
topic"Technology"
section"Earthworks"
Underwater tunnel
level5
topic"Technology"
section"Transport infrastructure"
Urinal
level5
topic"Technology"
section"Hydraulics and pneumatics"
Ultracentrifuge
level5
topic"Technology"
section"Industrial machinery"
Utility knife
level5
topic"Technology"
section"Knives"
Uncrewed spacecraft
level5
topic"Technology"
section"Basics_5"
Unicycle
level5
topic"Technology"
section"Human-powered transport"
Ultralight aviation
level5
topic"Technology"
section"Types of aircraft"
U.S. Route 66
level5
topic"Technology"
section"Ground transportation networks"