The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
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Ohio became the 17th state to join the United States of America.
The Venera 3 space probe became the first human-made object to land on another planet.
The first United States Census was authorized.
At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
Soviet Premier Joseph Stalin was found semi-conscious after suffering from a stroke.
