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Wikipedia:Selected anniversaries/July 21

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This is a list of selected July 21 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, featured list 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.

July 20 July 22
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Ineligible

Blurb Reason
; Liberation Day in Guam (1944) refimprove sections, outdated
Racial Harmony Day in Singapore (1964) unreferenced section
356 BC – The Temple of Artemis in Ephesus, one of the Seven Wonders of the Ancient World, was destroyed in an act of arson by a man named Herostratus. lots of PN tags (6)
1774 – The victorious Russian Empire and the defeated Ottoman Empire signed the Treaty of Küçük Kaynarca, officially ending the Russo-Turkish War. unreffed material
1831 – Following the Belgian Revolution, Leopold I was inaugurated as the first king of the Belgians at the Place Royale in Brussels. Unref material
1403 – Forces under Henry IV of England defeated a rebel army led by Henry "Hotspur" Percy at the Battle of Shrewsbury in what is now Battlefield, Shropshire. refimprove section
1645Qing dynasty regent Dorgon issued an edict ordering all Han Chinese men to shave their forehead and braid the rest of their hair into a queue identical to those of the Manchus. multiple issues
1861 – In the First Battle of Bull Run, the first major land battle in the American Civil War, the Confederate Army under Joseph E. Johnston and P. G. T. Beauregard routed Union Army troops under Irvin McDowell. unreferenced section
1865 – In one of the few recorded instances of a "quick draw" gun duel in the American Old West, Wild Bill Hickok shot and killed Davis Tutt over a poker debt. lots of CN tags (8)
1944World War II: American troops landed on Guam to liberate it from Japanese control. single source
1944 - 20 July plot too many {cn} tags
1954First Indochina War: The Vietnamese Demilitarized Zone was established at the Geneva Conference, partitioning Vietnam along the 17th parallel north into two zones: North Vietnam led by Ho Chi Minh and South Vietnam under Bảo Đại. unreferenced section
1964Race riots began in Padang, Singapore (then part of Malaysia) during a Malay procession marking Muhammad's birthday, leaving 23 people dead, 450 people injured, significant damage to property and vehicles, and a government imposed 11-day curfew. refimprove, page numbers needed
1969 – During the Apollo 11 mission, Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon. Apollo 11-related articles TFA and POTD on July 20 (2021)
1970 – The Aswan High Dam in Egypt was completed after 11 years of construction. refimprove section
1995 – The Chinese People's Liberation Army began firing missiles into the waters north of Taiwan, starting the Third Taiwan Strait Crisis. refimprove
2012 – Turkish adventurer Erden Eruç became the first person in history to complete a solo human-powered circumnavigation of the Earth. primary sources
Brandi Chastain |b|1968 unreferenced "Career statistics"
Rachael Flatt |b|1992 unreferenced "detailed results"
Hubert Lyautey |d|1934| Date uncertain
* 1973Mossad agents killed a Moroccan waiter in Lillehammer, Norway, mistakenly believing he had been involved in the 1972 Munich Olympics massacre. Citation issues

Eligible

Notes

July 21: Belgian National Day (1831)

Depiction of the Ciompi Revolt
Depiction of the Ciompi Revolt
More anniversaries: