Frenchman Henri Fabre flew the world’s first seaplane in Martinique, France.
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An Imperial Airways passenger aircraft crashed in Belgium, killing all fifteen on board.
Roman Emperor Valentinian I made his brother, Flavius Valens, his co-emperor.
Bank of Tokyo and Mitsubishi Bank merged to become the world's largest bank.
The Treaty of Florence was signed, which ended the war between the French Republic and the Kingdom of Naples.
Stanley Kramer became the first person to receive a star on the Hollywood Walk of Fame.
