This is a list of selected September 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. Before doing so, please review the selected anniversaries guidelines. If your suggestion is potentially controversial or relates to a day currently or soon to appear on the Main Page, post it on the talk page instead.
Please note:
- Events listed on the Main Page are selected based on article quality and to provide a diverse range of topics, rather than solely on the importance or significance of the events.
- Only four or five events are featured each day; therefore, not all important or significant events can be included.
- An event is generally excluded if it is already the subject of the scheduled featured article or picture of the day.
To report an error in content currently on the Main Page, see Wikipedia:Main Page/Errors. If a listed event is inaccurate, please first seek consensus and update the corresponding article before making changes here.
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U.S. Constitution
Egyptian President Anwar Sadat
Israeli Prime Minister Menachem Begin
Space Shuttle Enterprise
Lt. Thomas Selfridge
Menachem Begin and Anwar Sadat with US President Jimmy Carter at Camp David in 1978
At the signing of the Camp David Accords
Ineligible
| Blurb | Reason |
|---|---|
| 1809 – The Treaty of Fredrikshamn concluded the Finnish War between Russia and Sweden, with present-day Finland becoming an autonomous Grand Duchy under Tsar Alexander I. | Tagged with {{No footnotes}} |
| 1894 – The Imperial Japanese Navy defeated the Beiyang Fleet of Qing China in the Battle of the Yalu River at the mouth of the Yalu River in Korea Bay, the largest naval engagement of the First Sino-Japanese War. | needs more footnotes |
| 1916 – World War I: "The Red Baron", a flying ace of the German Luftstreitkräfte, won his first aerial combat near Cambrai, France. | Featured on April 21 |
Eligible
- 1775 – American Revolutionary War: The Continental Army under Richard Montgomery began the Siege of Fort St. Jean in the British province of Quebec.
- 1787 – The text of the United States Constitution was finalized at the Constitutional Convention in Philadelphia.
- 1859 – Disgruntled with the legal and political structures of the United States, Joshua Norton distributed letters to various newspapers in San Francisco, proclaiming himself Emperor Norton.
- 1862 – American Civil War: Almost 23,000 total casualties were suffered at the Battle of Antietam near Sharpsburg, Maryland, where Confederate and Union troops fought to a tactical stalemate.
- 1939 – World War II: The Soviet Union invaded Poland from the east, sixteen days after Nazi Germany's attack on that country from the west.
- 1939 – World War II: The Royal Navy lost its first warship in the war when German submarine U-29 torpedoed and sank HMS Courageous.
- 1976 – Enterprise, the first Space Shuttle built for NASA, was rolled out of the manufacturing facilities in Palmdale, California.
September 17: Oktoberfest begins (2011); Constitution Day in the United States.
- 1176 – Byzantine–Seljuk wars: The Seljuk Turks prevented the Byzantines from taking the interior of Anatolia at the Battle of Myriokephalon in Phrygia.
- 1630 – Puritans of Massachusetts Bay Colony founded the city of Boston.
- 1944 – World War II: The Allies began Operation Market Garden (pictured), the largest airborne operation up to that time.
- 1948 – Swedish diplomat Folke Bernadotte was assassinated by the militant Zionist group Lehi.
- 1978 – Egyptian President Anwar Sadat and Israeli Prime Minister Menachem Begin signed the Camp David Accords after twelve days of secret negotiations at Camp David.
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