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Wikipedia:Selected anniversaries/September 12

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This is an old revision of this page, as edited by Holly Cheng (talk | contribs) at 05:21, 11 September 2013 (update for 2013). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

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This is a list of selected September 12 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.

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Ineligible

Blurb Reason
{{<!--If next year is a leap year-->#ifexpr:{{IsLeapYear| {{CURRENTYEAR}} +1}}|New Year's Day in the Coptic and the Ethiopian calendars (2024);}} Coptic: refimprove; Ethiopian: no footnotes
1683Great Turkish War: Polish troops led by John III Sobieski joined forces with a Habsburg army to defeat the Ottoman Empire at the Battle of Vienna. contradictory
1940 – Four teenagers discovered the Lascaux caves near Montignac, in the Dordogne département of France, containing cave paintings that are estimated to be 17,300 years old. unreferenced section
1977 – South African anti-apartheid activist Steve Biko was killed in police custody. Tagged with {{prune}}
1990 – The Two Plus Four Agreement was signed in Moscow, paving the way for German reunification. refimprove
1992Abimael Guzmán, leader of the Peruvian Maoist guerrilla organization Shining Path, was captured in Lima. unreferenced section
2007 – Former Philippine president Joseph Estrada was convicted of plunder and sentenced to reclusión perpetua. refimprove section

Eligible

Notes

September 12: National Day in Cape Verde

Leó Szilárd

More anniversaries: