Template:Selected anniversaries/April 26

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  1798: Artist Eugène Delacroix born. His use of expressive brushstrokes and his study of the optical effects of color will shape the work of the Impressionists.

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  1945: Field Report Number One (Peenemunde edition) accidentally released new class of crimes against mathematical constants.

1920 – Srinivasa Ramanujan, Indian mathematician and theorist (b. 1887)

https://en.wikipedia.org/wiki/Owen_Willans_Richardson

1900 – Charles Francis Richter, American seismologist and physicist (d. 1985)

1951 – Arnold Sommerfeld, German physicist and academic (b. 1868)

1803 – Thousands of meteor fragments fall from the skies of L'Aigle, France; the event convinces European scientists that meteors exist.

1962 – NASA's Ranger 4 spacecraft crashes into the Moon.

1986 – A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Soviet Union (now Ukraine), creating the world's worst nuclear disaster.