King George I of Greece was assassinated while out on a walk in Thessaloniki.
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The Pedaliante, a human-powered aircraft, successfully flew 0.62 miles (1 km) in Milan, Italy.
A magnitude 7.5 earthquake struck Western Turkey, killing 1,070 people.
$500 million worth of art was stolen from the Isabella Stewart Gardner Museum in Boston, US.
Cosmonaut Alexey Leonov made the first spacewalk when he left his Voskhod 2 spacecraft.
The first public Bat Mitzvah was held in New York City. It was for a girl named Judith Kaplan.
