At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
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The first United States Census was authorized.
The Death Penalty was abolished in the state of Michigan, except for treason.
Captain America issue #1 comic was published by Timely Comics (which later became Marvel).
The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
Nebraska became the 37th state to join the United States of America.
