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.
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.
The Death Penalty was abolished in the state of Michigan, except for treason.
The Venera 3 space probe became the first human-made object to land on another planet.