The six billionth living human being was born.
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The USS Holland (SS-1) became the first modern submarine commissioned for the United States Navy.
Mariner IX took two photos of Mars' north pole.
The USSR's Voskhod 1 spacecraft became the first spaceflight with multiple crew members.
Christopher Columbus claimed he first saw land at present-day Bahamas.
The Provisional Irish Republican Army attempted to assassinate British Prime Minister Margaret Thatcher.
