Wikipedia:Selected anniversaries/January 18
This is a list of selected January 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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January 18: Martin Luther King, Jr. Day in the United States (2010); The Week of Prayer for Christian Unity begins
- 1486 – Elizabeth of York (pictured) married Henry VII of England, becoming Queen consort.
- 1535 – Conquistador Francisco Pizarro founded Ciudad de los Reyes, present-day Lima, Peru, as the capital of the lands he conquered for the Spanish Crown.
- 1871 – A number of independent German states unified into the German Empire, with Prussian King Wilhelm I being proclaimed as its first Emperor.
- 1915 – Japanese Prime Minister Ōkuma Shigenobu issued the Twenty-One Demands to the Republic of China in a bid to increase its power in East Asia.
- 1977 – The mysterious Legionnaires' disease was found to be caused by a novel bacterium now known as Legionella.
- 2003 – Bushfires burning out of control began blazing through residential areas of Canberra, Australia, eventually killing four people, and damaging or destroying more than 500 homes.