Pope John Paul IV visited New York, becoming the first Pope to visit the Western Hemisphere.
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Pope Gregory XIII introduced the concept of the Gregorian Calendar to Europe.
The Orient Express started its first journey from Paris to Istanbul.
The pocket watch patent was awarded to Dutch mathematician and scientist Christiaan Huygens.
Gutzon Borglum began sculpting Mount Rushmore.
John Lennon's album 'Walls and Bridges' was released in the US.
