HistoryData

Historical Events on April 26

3 notable historical events happened on April 26 throughout history.

10 famous birthdays on April 26 — including Eugène Delacroix, Ludwig Wittgenstein, Vicente Aleixandre

20th Century3 events

1915
politics

Treaty of London — secret pact between the Triple Entente and Italy, signed in London on 26 April 1915

1920
culture

Great Debate — astronomy debate held on 26 April 1920 at the Smithsonian Museum of Natural History between Harlow Shapley and Heber Curtis about whether spiral nebulae were different galaxies or part of the Milky Way

1986
disaster

Chernobyl disaster — 1986 nuclear accident in the Soviet Union