22 significant historical events occurred on April 26. April 26 has been associated with several key events affecting international relations and scientific knowledge. On this date, the secret Treaty of London was signed in 1915, bringing Italy into World War I with the Triple Entente. In 1920, the Great Debate at the Smithsonian challenged and altered views on the universe's scale. The Chernobyl nuclear disaster occurred on this day in 1986.
Total Events
22
Time Span
1538–2007
Categories
5
Top Category
war
13 events
19 famous birthdays on April 26
Including Owen Willans Richardson, Michael Smith, Ludwig Wittgenstein
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Event Distribution by Century
Darker = Higher Density16th C.21st C.
16th Century
2 events18th Century
4 events19th Century
4 events20th Century
10 events21st Century
2 eventsExplore More for April 26
Discover births, deaths, and deeper historical trends for this date.