The Moulin Rouge cabaret opened its doors in Paris for the first time.
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The American epic historical drama movie 'Spartacus' premiered in New York City.
The 51 Pegasi b planet was discovered. It was the first discovered exoplanet around a sun-like star.
Euridice, the oldest-surviving opera, premiered in Florence, Italy.
Dr. Albert Sabin announced his oral vaccine against polio was ready to test.
Instagram was launched and gained 25,000 users on its first day.
