Wikipedia:Selected anniversaries/October 23
This is a list of selected October 23 anniversaries that appear in the "On this day" section of the Main Page. To suggest a new item, in most cases, you can be bold and edit this page. Please read the selected anniversaries guidelines before making your edit. However, if your addition might be controversial or on a day that is or will soon be on the Main Page, please post your suggestion on the talk page instead.
Please note that the events listed on the Main Page are chosen based more on relative article quality and to maintain a mix of topics, not based solely on how important or significant their subjects are. Only four to five events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is generally not posted this year if it is also the subject of the scheduled featured article or picture of the day.
To report an error when this appears on the Main Page, see Main Page errors. Please remember that this list defers to the supporting articles, so it is best to achieve consensus and make any necessary changes there first.
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October 23: National Day in Hungary (1956); Chulalongkorn Memorial Day in Thailand
- 425 – Valentinian III became Emperor of the Western Roman Empire at the age of six.
- 1642 – The Battle of Edgehill, the first pitched battle of the First English Civil War between the Royalists and the Parliamentarians, was fought to an inconclusive result near Edge Hill and Kineton in southern Warwickshire.
- 1739 – Great Britain declared war on Spain, starting the War of Jenkins' Ear.
- 1955 – Prime Minister Ngo Dinh Diem (pictured) defeated former Emperor Bao Dai in a fraudulent referendum supervised by his brother Ngo Dinh Nhu on the future of South Vietnam.
- 1956 – The Hungarian Revolution began as a peaceful student demonstration which attracted thousands as it marched through central Budapest to the Parliament building.
- 1983 – Lebanese Civil War: Suicide bombers destroyed two barracks in Beirut, Lebanon, killing 241 U.S. servicemen and 58 French paratroopers of the international peacekeeping force.