Wikipedia:Ephemeris/June 23

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July 5, 2022

1305: the Treaty of Athis recognizes Flemish independence, at the end of the Flanders War. 1565: Fort Saint-Elme fell into the hands of the Ottomans during the siege of Malta. 1757: Britain wins the Battle of Plassey, considered the founding act of the British Raj. 1894: the International Olympic Committee is founded by Pierre de Coubertin. 1915: the Kingdom of Italy opens the first of twelve battles against Austria-Hungary. 1961: the Antarctic Treaty comes into force.