Pope John Paul IV visited New York, becoming the first Pope to visit the Western Hemisphere.
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The musical 'Sometime' put on its first performance at the Shubert Theatre on Broadway, New York City, US.
Julian Assange launched WikiLeaks.com.
Sputnik 1 became Earth's first artificial satellite to go into orbit.
Pope Gregory XIII introduced the concept of the Gregorian Calendar to Europe.
Gutzon Borglum began sculpting Mount Rushmore.
