Category:20th century in the United Kingdom

• 20th century in British Overseas Territories (7 C)
• 20th century in the British Empire (35 C)
• 20th century in England (68 C, 9 P)
• 20th century in Northern Ireland (24 C, 1 P)
• 20th century in Scotland (39 C, 14 P)
• 20th century in Wales (30 C, 3 P)

-

• 20th century in the Crown Dependencies (14 C)

/

• 20th-century disestablishments in the United Kingdom (18 C)
• 20th-century establishments in the United Kingdom (19 C, 2 P)

0–9

• 1900s in the United Kingdom (29 C, 32 P)
• 1910s in the United Kingdom (32 C, 37 P)
• 1920s in the United Kingdom (31 C, 33 P)
• 1930s in the United Kingdom (36 C, 45 P)
• 1940s in the United Kingdom (36 C, 45 P)
• 1950s in the United Kingdom (36 C, 46 P)
• 1960s in the United Kingdom (32 C, 38 P)
• 1970s in the United Kingdom (30 C, 40 P)
• 1980s in the United Kingdom (32 C, 27 P)
• 1990s in the United Kingdom (29 C, 45 P)

A

• Aftermath of World War I in the United Kingdom (2 C, 18 P)
• 20th-century architecture in the United Kingdom (15 C, 33 P)

B

• 20th-century bishops in the United Kingdom (5 C, 1 P)

C

• 20th century in British cinema (11 C, 1 P)
• 20th century in the United Kingdom by city (39 C)
• Cold War history of the United Kingdom (3 C, 25 P)
• 20th-century crimes in the United Kingdom (14 C)

D

• 20th-century disasters in the United Kingdom (13 C)

E

• 20th-century elections in the United Kingdom (14 C)
• 20th-century executions by the United Kingdom (12 C, 33 P)

K

• United Kingdom in the Korean War (4 C, 3 P)

L

• 20th-century British literature (15 C, 22 P)

M

• 20th-century military history of the United Kingdom (25 C, 86 P)

P

• 20th-century British people (27 C, 145 P)

T

• 20th century in British television (17 C, 1 P)

W

• United Kingdom in World War I (11 C, 113 P)
• United Kingdom in World War II (21 C, 84 P)

Y

• Years of the 20th century in the United Kingdom (107 C, 99 P)

• Social history of post-war Britain (1945–1979)

.

• History of the United Kingdom (1801–1922)
• Political history of the United Kingdom (1979–present)

A

• Air Raid Precautions

B

• The British disease
• Early life and career of Rab Butler (1902–1929)

C

• Rise of Neville Chamberlain
• Winston Churchill in politics, 1900–1939
• Civil Defence Service
• Column 88

E

• Edwardian era
• HMT Empire Windrush

F

• Freehold Land Societies

H

• History of the United Kingdom (1945–present)
• Hughligans

I

• Interwar unemployment and poverty in the United Kingdom
• Irish issue in British politics

L

• Later life of Winston Churchill
• Liberal Party Frontbench Team, 1945–1956
• Liberal Party Frontbench Team, 1956–1967
• Liberal Party Frontbench Team, 1967–1976
• Liberal Party Frontbench Team, 1976–1988
• List of best-selling singles of the 1900s in the United Kingdom
• List of parliamentary boroughs and associated county constituencies 1832–1918
• List of United Kingdom by-elections (1900–1918)
• List of United Kingdom by-elections (1918–1931)
• List of United Kingdom by-elections (1931–1950)
• List of United Kingdom by-elections (1950–1979)
• List of United Kingdom by-elections (1979–2010)

M

• Manpower Services Commission
• Metrication Board
• Ministry of Home Security
• Ministry of Supply
• Ministry of Works (United Kingdom)

N

• National Laboratory of Psychical Research
• National Savings Movement

P

• Parliamentary franchise in the United Kingdom 1885–1918
• Post-war Britain (1945–1979)
• Post-war consensus
• Premiership of Margaret Thatcher
• Premiership of Tony Blair
• Price Commission

R

• History of rail transport in Great Britain 1923–1947
• History of rail transport in Great Britain 1948–1994

S

• Sick man of Europe
• Sino-British Joint Liaison Group
• Social history of the United Kingdom (1979–present)
• Battle of Stockton

T

• Triple Alliance (1914)

U

• United Kingdom of Great Britain and Ireland

W

• War Artists' Advisory Committee
• Women's Freedom League
• History of the United Kingdom during the First World War
• Internment in the United Kingdom during the First World War