Wikipedia:Selected anniversaries/May 1
This is a list of selected May 1 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.
Images
Use only ONE image at a time
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Penny Black postage stamp -
World Columbian Exposition, Chicago, 1893
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The Marriage of Figaro Overture (use {{DYK Listen}})
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Empire State Building
Ineligible
| Blurb | Reason |
|---|---|
| 1776 – The Order of the Illuminati, a secret society, was founded by Adam Weishaupt and Adolph von Knigge in Ingolstadt, Bavaria, Germany. | tagged for expansion |
| 1893 – The World's Columbian Exposition, a World's Fair to celebrate the 400th anniversary of Christopher Columbus' discovery of the New World, opened in Chicago. | refimprove |
| 1897 – The Hindu monastic order Shri Ramakrishna Math and Mission was founded by Swami Vivekananda. | tagged for merging |
| 1960 – Bombay State in India was partitioned into Gujarat and Maharashtra along linguistic lines. | Gujarat needs more references |
Eligible
- 1786 – The Marriage of Figaro, an opera buffa composed by Wolfgang Amadeus Mozart, premiered at the Burgtheater in Vienna.
- 1794 – War of the Pyrenees: France regained nearly all the land it lost to Spain the previous year with its victory in the Battle of Boulou.
- 1840 – The United Kingdom of Great Britain and Ireland issued the Penny Black, the world's first official adhesive postage stamp.
- 1851 – The Great Exhibition, the first ever World's Fair, opened in London's Hyde Park.
- 1885 – The original Chicago Board of Trade Building opened for business.
- 1898 – The American Asiatic Squadron under Commodore George Dewey defeated the Spanish Pacific Squadron under Admiral Patricio Montojo at the Battle of Manila Bay, the first engagement of the Spanish–American War.
- 1931 – New York City's Empire State Building, at the time the tallest building in the world, opened.
- 1941 – Citizen Kane, a widely acclaimed film by actor and director Orson Welles, premiered.
- 1956 – A doctor in Japan reported an "epidemic of an unknown disease of the central nervous system", marking the official discovery of Minamata disease.
May 1: May Day; International Workers' Day; Beltane in Ireland and Scotland; Yom HaShoah (Israel and Judaism, 2011) begins at sunset
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- 880 – The Nea Ekklesia church in Constantinople was consecrated, and would go on to set the model for all later cross-in-square Orthodox churches.
- 1707 – Under the terms of the Acts of Union, the Kingdoms of England and Scotland merged to form the Kingdom of Great Britain, a single kingdom encompassing the entire island of Great Britain with a single parliament and government based in Westminster.
- 1753 – Carl Linnaeus (pictured) published his Species Plantarum, which, with his earlier work Systema Naturae, is considered the beginning of modern botanical nomenclature.
- 1865 – Brazil, Uruguay and Argentina signed a treaty creating an alliance against Paraguay in the War of the Triple Alliance.
- 1947 – Italian separatist Salvatore Giuliano and his gang fired into a crowd of May Day marchers near Piana degli Albanesi, Sicily, killing 11 and wounding 33.