Cosmonaut Alexey Leonov made the first spacewalk when he left his Voskhod 2 spacecraft.
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The Lake Merritt Wild Duck Refuge became the first US wildlife sanctuary.
King George I of Greece was assassinated while out on a walk in Thessaloniki.
The first public Bat Mitzvah was held in New York City. It was for a girl named Judith Kaplan.
$500 million worth of art was stolen from the Isabella Stewart Gardner Museum in Boston, US.
The UK government recognized British Sign Language (BSL) as an official language.