Browse Historical Events by Day: What Happened on July 23rd?

The Holy Roman Emperor Otto III dies in his palace in Paterno, Italy, at the age of 21.

The Siege of New Amsterdam ends when the Dutch surrender to the English, who then rename the settlement New York.

The British North America was approved by the British Parliament. The Act, also known as the Act of Union it was and proclaimed on February 10, 1841, in Montreal. It abolished the legislatures of Lower Canada and Upper Canada and established a new political entity, the Province of Canada to replace them. More

The Egyptian army led by by Mohamed Naguib and Gamal Abdel Nasser launched a revolution toppling King Farouk in a coup d'état by the Free Officers Movement and, changing Egypt from a monarchy to a republic. The Revolution ushered in a wave of revolutionary politics in the Arab World, and contributed to the escalation of decolonization and the development of Third World solidarity during the Cold War. More

President de Gaulle proposes at a news conference in the Salle des Fetes of the Elysee Palace, that the United States, the Soviet Union, Communist China and France agree to get out and stay out of the Indochinese peninsula as a means of ending the fighting in Laos and South Vietnam. He also proposes, once the fighting had ended, a massive program of economic and technical aid to the peoples of North and South Vietnam, Laos and Cambodia. More

Alan Hale and Thomas Bopp separately discover the Comet Hale–Bopp. The comet becomes visible to the naked eye a year later and stays visible for a record 18 months, due to its massive nucleus size. This is twice as long as the Great Comet of 1811, the previous record holder. Accordingly, Hale–Bopp was dubbed the great comet of 1997. Sadly, 39 people who were part of the "Heaven's Gate" cult in San Diego committed mass suicide as the comet came close to Earth. More