Wikipedia:Selected anniversaries/April 17
This is a list of selected April 17 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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Henri Giraud -
Minas Geraes' superstructure and bow guns, with wing turrets flanking the superstructure -
Mam Tor, Peak District -
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Ineligible
| Blurb | Reason |
|---|---|
| World Hemophilia Day | needs 3rd party refs |
| 1555 – After 18 months of resistance, Siena surrendered to Florence and was annexed into the Grand Duchy of Tuscany. | needs more footnotes |
| 1797 – Citizens of Verona, Italy, began an unsuccessful eight-day rebellion against the French occupying forces. | refimprove section, empty sections |
| 1895 – The Empire of Japan and the Qing Empire of China signed the Treaty of Shimonoseki to end the First Sino-Japanese War. | needs more footnotes, refimprove section |
| 1912 – Soldiers of the Russian Empire's army fired upon striking gold miners in northeast Siberia near the Lena River, killing at least 150 people. | refimprove |
| 1937 – Daffy Duck made his debut in a short cartoon by the Warner Bros. Studio. | refimprove |
| 1942 – World War II: Captured French general Henri Giraud escaped from German captivity in the Königstein Castle. | many CN tags |
| 1969 – Czechoslovak Communist Party chairman Alexander Dubček was deposed. | refimprove section |
| 1982 – A new patriated Constitution of Canada, including the Canadian Charter of Rights and Freedoms, a bill of rights intended to protect certain political and civil rights of people in Canada, was signed into law by Elizabeth II, Queen of Canada. | refimprove |
| 2013 – An ammonium nitrate explosion occurred at a fertilizer company facility in West, Texas, U.S., killing 15 people and injuring 160 others. | outdated |
| Eliza Acton (b. 1799) | TFA for 2019 |
Eligible
- 1362 – Lithuanian Crusade: After a month-long siege, the Teutonic Order captured and destroyed Kaunas Castle in Lithuania.
- 1907 – The first of three dreadnought battleships for Brazil was laid down, sparking a vastly expensive South American naval arms race.
- 1951 – The Peak District was designated the first national park in the United Kingdom.
- 1961 – Armed Cuban exiles backed by the CIA invaded Cuba, landing in the Bay of Pigs, with the aim of overthrowing the Cuban government under Fidel Castro.
- 1973 – George Lucas began writing a 13-page film treatment entitled The Star Wars.
- 1975 – The Khmer Rouge under Pol Pot captured Phnom Penh to end the Cambodian Civil War, and established Democratic Kampuchea.
- 1984 – Metropolitan Police officer Yvonne Fletcher was shot and killed while on duty during a protest outside the Libyan embassy in London's St James's Square, resulting in an 11-day police siege of the building and a breakdown of diplomatic relations between the two nations.
- Born/died: Marino Faliero (d. 1355) · Cap Anson (b. 1852) · Karen Blixen (b. 1885) · Lucrețiu Pătrășcanu (d. 1954) · Elda Emma Anderson (d. 1961)
April 17: Evacuation Day in Syria (1946)
- 1080 – The death of Harald III allowed his brother Canute IV, who later became the first Dane to be canonized, to become King of Denmark.
- 1797 – French Revolutionary Wars: British Lieutenant General Ralph Abercromby and a force of 7,000 invaded Spanish-controlled Puerto Rico.
- 1969 – Sirhan Sirhan was convicted of the assassination of United States Senator Robert F. Kennedy.
- 1986 – Having supposedly been at war for 335 years without a single shot having been fired and no casualties incurred, the Netherlands and the Isles of Scilly declared peace.
- 2014 – NASA announced the discovery of Kepler-186f (artist's impression shown), the first exoplanet with a radius similar to Earth's discovered in the habitable zone of another star.
Hannah Webster Foster (d. 1840) · Neville McNamara (b. 1923) · Sean Bean (b. 1959)