The Venera 3 space probe became the first human-made object to land on another planet.
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At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
The first United States Census was authorized.
James Cameron's Titanic became the first film to gross more than $1 billion worldwide.
Spanish peseta lost its legal tender after fully adopting the Euro.
The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
