143 people were killed in a Siberian Airlines plane crash that was shot down by Ukrainian Missiles over the Black Sea.
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Pope Gregory XIII introduced the concept of the Gregorian Calendar to Europe.
Gutzon Borglum began sculpting Mount Rushmore.
The second largest cash robbery in US history was committed.
The Orient Express started its first journey from Paris to Istanbul.
Sputnik 1 became Earth's first artificial satellite to go into orbit.