Portal:History of science/Selected anniversaries/November 25
- 1686 – Death of Nicolas Steno, Danish geologist (b. 1638)
- 1694 – Death of Ismael Bullialdus, French astronomer (b. 1605)
- 1703 – The Great Storm of 1703, the greatest windstorm ever recorded in the southern part of Great Britain, reaches its peak intensity which it maintains through November 27. Winds gust up to 120 mph, and 9,000 people die
- 1703 – Birth of Jean-François Séguier, French astronomer and botanist (d. 1784)
- 1714 – Birth of Yoriyuki Arima, Japanese mathematician (d. 1783)
- 1814 – Birth of Julius Robert von Mayer, German physician and physicist (d. 1878)
- 1841 – Birth of Ernst Schröder, German mathematician (d. 1902)
- 1867 – Alfred Nobel patents dynamite
- 1884 – Death of Adolph Wilhelm Hermann Kolbe, German chemist (b. 1818)
- 1887 – Birth of Nikolai Vavilov, Russian geneticist (d. 1943)
- 1940 – Birth of Reinhard Furrer, American physicist and astronaut (d. 1995)
- 1972 – Death of Henri Coandă, Romanian aerodynamics pioneer (b. 1886)