Wikipedia:Selected anniversaries/April 12
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This is a list of selected April 12 anniversaries that appears on 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 may be controversial, or on a day that is or soon will be on the Main Page, please post your suggestion on the talk page instead.
To report an error when this appears on the Main Page, see Main Page errors.April 12: Cosmonautics Day in Russia; Yuri's Night
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- 1204 – Alexios V fled Constantinople as forces under Boniface the Marquess of Montferrat and Enrico Dandolo the Doge of Venice entered and sacked the Byzantine capital, effectively ending the Fourth Crusade.
- 1606 – A royal decree established the Union Flag (pictured) to symbolise the Union of the Crowns, merging the designs of the Flag of England and the Flag of Scotland.
- 1861 – Confederate forces began firing at Fort Sumter in the harbor of Charleston, South Carolina, starting the American Civil War.
- 1927 – Chinese Civil War: A large-scale purge of communists from the nationalist Kuomintang began in Shanghai.
- 1961 – Aboard Vostok 3KA-2, Soviet cosmonaut Yuri Gagarin became the first man to enter outer space, completing one orbit in a time of 108 minutes.
