Wikipedia:Selected anniversaries/May 11
This is a list of selected May 11 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 might 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.
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 5–6 events are posted at a time and thus not everything that is "most important and significant" can be listed. In addition, an event is not generally posted this year if it is also the subject of the scheduled May 11, 2015 featured article or the May 11, 2015 featured picture.
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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|1647 – Peter Stuyvesant arrived in New Amsterdam to replace Willem Kieft as Director-General of New Netherland, the Dutch colonial settlement in present-day New York City.||refimprove section|
|1867 – The major powers in Europe signed the Second Treaty of London to solve the Luxembourg Crisis between France and Prussia over the political status of Luxembourg.||no 3rd party refs|
|1918 – Tapa Tchermoeff became the only Prime Minister of the short-lived Mountainous Republic of the Northern Caucasus.||Tchermoeff: no footnotes; Republic: refimprove|
|1949 – Siam was officially renamed Thailand, a name unofficially in use since 1939.||refimprove, original research, date not in article, section too long|
|1960 – Israeli Mossad agents captured Adolf Eichmann, a Nazi leader and fugitive war criminal who was sometimes referred to as "the architect of the Holocaust", hiding in Argentina.||appears on December 15|
|1985 – During an association football match between Bradford City and Lincoln City in Bradford, England, a flash fire consumed one side of the Valley Parade stadium, killing 56 attendees.||refimprove section|
- 868 – A copy of the Diamond Sutra was printed in China, making it the world's oldest dated printed book.
- 1792 – Merchant sea captain Robert Gray became the first recorded European to navigate the Columbia River in what is now the Pacific Northwest United States.
- 1812 – In the lobby of the British House of Commons, Spencer Perceval became the only British Prime Minister to be assassinated.
- 1813 – William Lawson, Gregory Blaxland and William Wentworth departed westward from Sydney on an expedition to become the first Europeans confirmed to cross the Blue Mountains.
- 1858 – Minnesota was carved out of the eastern half of the Minnesota Territory and admitted as the 32nd U.S. state.
- 1880 – A land dispute between the Southern Pacific Railroad and settlers in Hanford, California, turned deadly when a gun battle broke out, leaving seven dead.
- 1894 – In response to a 28 percent wage cut, 4,000 Pullman Palace Car Company workers went on a strike in Illinois, bringing rail traffic west of Chicago to a halt.
- 1910 – Glacier National Park, located in the U.S. state of Montana, was designated a national park.
- 1996 – A severe blizzard on Mount Everest caused the deaths of eight climbers, helping make that year the deadliest in the mountain's history at the time.
- 1997 – Deep Blue became the first computer to win a match against a world chess champion, when it defeated Garry Kasparov in six games.
- 1998 – India began conducting the Pokhran-II nuclear weapons test, its first since the Smiling Buddha test 24 years earlier.
- 330 – The city of Byzantium was consecrated as Nova Roma, which became known as Constantinople, the new capital of the Roman Empire under Emperor Constantine the Great (mosaic pictured).
- 1745 – War of the Austrian Succession: French forces defeated the Anglo-Dutch-Hanoverian "Pragmatic Army" at the Battle of Fontenoy in the Austrian Netherlands in present-day Belgium.
- 1889 – An attack upon a U.S. Army paymaster and escort resulted in the theft of over $28,000 and the award of two Medals of Honor.
- 1946 – The United Malays National Organisation, today Malaysia's largest political party, was founded, originally to oppose the constitutional framework of the Malayan Union.
- 2010 – David Cameron took office as the Prime Minister of the United Kingdom as the Conservatives and Liberal Democrats formed the country's first coalition government since the Second World War.