At 340 days, Astronaut Scott Kelly completed the longest single mission aboard the International Space Station.
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The Yellowstone National Park Protection Act went into law, making it the first National Park in the world.
James Cameron's Titanic became the first film to gross more than $1 billion worldwide.
Rebecca Lee Crumpler became the first African American female physician.
Ohio became the 17th state to join the United States of America.
Spanish peseta lost its legal tender after fully adopting the Euro.