Wikipedia:Selected anniversaries/May 12
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This is a list of selected May 12 anniversaries that appears on 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 may be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the talk page instead.
To report an error when this appears on the Main Page, see Main Page errors.May 12: Whit Monday (Western Christianity, 2008); Buddha's Birthday in Macau, Hong Kong, Taiwan and South Korea (2008); International Nurses Day
- 1551 – The National University of San Marcos, the oldest university in the Americas, was founded in Lima, Peru.
- 1885 – North-West Rebellion: Louis Riel (pictured) and the Métis rebels were decisively defeated by Canadian forces under Major-General Frederick Middleton in Batoche, Saskatchewan.
- 1926 – A general strike by British trade unions "in defence of [coal] miners' wages and hours" ended after nine days.
- 1941 – German engineer Konrad Zuse presented the Z3, the world's first working programmable, fully automatic computer, in Berlin.
- 1958 – Canada and the United States signed a formal agreement establishing the North American Air Defense Command to provide aerospace warning and defense for North America.