Wikipedia:Selected anniversaries/December 18

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This is a list of selected December 18 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.

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Ineligible

Blurb Reason
Republic Day in Niger (1958); unreferenced section
1271Mongol ruler Kublai Khan established the Yuan dynasty in present-day Mongolia and China. refimprove section
1854 – The Legislative Assembly of the Province of Canada abolished the seigneurial system of New France. lead too long
1892 – The first performance of the fairy-tale ballet The Nutcracker was held at the Mariinsky Theatre in Saint Petersburg, Russia. refimprove sections
1912 – Amateur archaeologist Charles Dawson announced the discovery of fossilised remains of a previously unknown early human, known as Piltdown Man, which later turned out to be a hoax. globalize
1972Vietnam War: The United States began Operation Linebacker II against North Vietnam, the largest heavy bomber strikes launched by the U.S. Air Force since the end of World War II. lots of {{cn}} tags (18)
1987 – Programmer Larry Wall released the first version of the programming language Perl via the comp.sources.misc newsgroup. far too many CN tags for a good article
1990 – The Migrant Workers Convention was signed at the United Nations enhancing the protection for migrant workers. refimprove
2005 – The most recent Chadian Civil War began when rebel groups, allegedly backed by neighbouring Sudan, launched an attack on Adré. refimprove section
2006 – The first of a series of floods struck Southeast Asia, which eventually killed 118 people and left over 400,000 others homeless. empty section
1916 – The French defeated German forces around the city of Verdun-sur-Meuse in northeastern France, ending the longest and one of the bloodiest battles in the First World War. Date not cited

Eligible

Notes

December 18: National Day in Qatar (1878)

Atlas rocket carrying SCORE
Atlas rocket carrying SCORE
More anniversaries: