• 1282 – Sicilians began to rebel against the rule of the Angevin King Charles I of Naples, starting the War of the Sicilian Vespers.
• 1842 – American physician Crawford Long became the first
person to use diethyl ether as an anesthetic in a surgical procedure.
• 1899 – A committee of the German Society of Chemistry
invited other national scientific organizations to appoint delegates to form
the International Committee on Atomic Weights.
• 1950 – Usmar Ismail began filming Darah dan Doa,
formally recognised as the first Indonesian film.
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