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Otto II, Co-Emperor of the Holy Roman Empire, marries Byzantine princess Theophanu. She is crowned empress by Pope John XIII in Rome the same day.
The draft of the British Mandate of Palestine was formally confirmed by the Council of the League of Nations; it came into effect on 26 September 1923.
The Federal Bureau of Investigation (FBI) executes a search warrant at former president Donald Trump's residence in Mar-a-Lago, Palm Beach, Florida.
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