Politics
All Politics →APR 9 · 1960
April 10 in history — On This Day
2019
Astronomers unveil the first image of a black hole
On April 10, 2019, the Event Horizon Telescope collaboration unveiled the first image of a black hole’s shadow, in the galaxy Messier 87.
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AI History Recreations
Short videos that recreate moments from the past. They are illustrations, not archival footage.
All videos →War & Conflict
All War →APR 9 · 1940
Germany invades Denmark and Norway
Space
All Space →APR 12 · 1961
Yuri Gagarin becomes the first human in space
Technology
All Technology →APR 15 · 1952
The Boeing B-52 prototype takes flight
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Chicago After the Fire: From Burned Blocks to a New Skyline
A photograph taken after the 1871 fire can make Chicago look as though its future had been decided by a wall of flame. A view from around 1905 tells a different story: tall offices, busy transport routes and commercial streets crowded again.
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