Wikipedia:Selected anniversaries/August 18

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This is a list of selected August 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
Svetambar Jains
, 2017);
unreferenced section
Huguenot King Henry of Navarre
, in an attempt to reconcile Protestants and Catholics.
Lots of cn
1868 – Astronomer Pierre Jules Janssen discovered helium while analysing the chromosphere of the sun during a total solar eclipse in Guntur, India. refimprove section
1917 – A fire destroyed about 9,500 homes in Thessaloniki, Greece, leaving 70,000 homeless. refimprove
UN Command
checkpoint and an observation post.
refimprove section
1989 – Leading Colombian presidential candidate Luis Carlos Galán was assassinated during a public demonstration in the town of Soacha, Cundinamarca. lots of CN tags in one section
War in Afghanistan: French ISAF forces were ambushed
by Afghan militants, suffering heavy casualties.
unreferenced section
Agneta Horn |b|1629| refimprove
Cameron White |b|1983| Multiple cn tags

Eligible

Notes

August 18: Ghost Festival in China (2024)

White's discovery of the abandoned Roanoke Colony
White's discovery of the abandoned Roanoke Colony
More anniversaries: