At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
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James Cameron's Titanic became the first film to gross more than $1 billion worldwide.
The first United States Census was authorized.
The Venera 3 space probe became the first human-made object to land on another planet.
President John F. Kennedy founded the Peace Corps.
A Study in Scarlet became the first US edition of British detective Sherlock Holmes written by Arthur Conan Doyle.