The Pledge of Allegiance was first recited in American schools.
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Mariner IX took two photos of Mars' north pole.
The USSR's Voskhod 1 spacecraft became the first spaceflight with multiple crew members.
The world's strongest storm ever was recorded.
The Provisional Irish Republican Army attempted to assassinate British Prime Minister Margaret Thatcher.
Rio de Janeiro, Brazil, unveiled its iconic Christ The Redeemer statue.
