Wikipedia:Selected anniversaries/September 27
This is a list of selected September 27 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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Regimini militantis Ecclesiae -
Albert Einstein -
St. Ignatius of Loyola, S.J., Founder of the Society of Jesus -
Richard M Stallman
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GNU logo -
Bali Tiger
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Ford Model T
Ineligible
| Blurb | Reason |
|---|---|
| 1540 – Pope Paul III issued the papal bull Regimini militantis, approving the formation of the Society of Jesus, a Christian religious order of the Roman Catholic Church, by St. Ignatius of Loyola. | already featured on August 15 |
| 1825 – Locomotion No. 1 hauled the first train on opening day of the Stockton and Darlington Railway, the world's first publicly subscribed passenger railway. | refimprove |
| 1903 – The Old 97, a Southern Railway train, derailed near Danville, Virginia, inspiring a famous railroad ballad. | Needs more footnotes |
| 1905 – The physics journal Annalen der Physik published Albert Einstein's fourth Annus Mirabilis paper "Does the Inertia of a Body Depend Upon Its Energy Content?", which introduced the equation E = mc2. | unreferenced sections |
| 1937 – The Bali tiger, a small subspecies of tiger found solely on the small Indonesian island of Bali, was officially declared extinct. | unreferenced section |
| 1940 – World War II: Nazi Germany, Fascist Italy and the Empire of Japan signed the Tripartite Pact in Berlin, officially forming a military alliance known as the Axis powers. | refimprove |
| 1983 – Software developer Richard Stallman announced plans for the Unix-like GNU operating system, the first free software developed by the GNU Project. | needs 3rd-party sources |
Eligible
- 1777 – American Revolutionary War: Lancaster, Pennsylvania, became the capital of the United States for one day as members of the Continental Congress fled Philadelphia, which had been captured by the British.
- 1908 – The first production of the Ford Model T automobile was built at the Piquette Plant in Detroit.
- 1941 – SS Patrick Henry, the first of 2,751 Liberty ships built during World War II by the United States, was launched.
- 1993 – War in Abkhazia: After capturing the city of Sukhumi, Abkhaz separatists and their allies massacred large numbers of Georgian civilians.
- 2008 – During the Shenzhou 7 mission, Zhai Zhigang became the first Chinese citizen to carry out a spacewalk.
September 27: World Tourism Day
- 1422 – The Treaty of Melno was signed, establishing the Prussian–Lithuanian border, which afterwards remained unchanged for about 500 years.
- 1916 – Lij Iyasu (pictured), the emperor-designate of Ethiopia, was deposed in favor of his aunt, Zewditu.
- 1988 – Led by pro-democracy activist Aung San Suu Kyi, the political party National League for Democracy was founded in Burma.
- 1996 – The Taliban drove Afghan President Burhanuddin Rabbani out of Kabul and established the Islamic Emirate of Afghanistan.