Wikipedia:Selected anniversaries/October 16
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This is a list of selected October 16 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.
- 456 – Magister militum Ricimer defeated Emperor Avitus at Piacenza and became master of the Western Roman Empire.
- 1813 – The Sixth Coalition attacked Napoleon and the First French Empire in the Battle of Leipzig, the largest conflict in the Napoleonic Wars with over 500,000 troops involved.
- 1843 – William Rowan Hamilton first wrote down the fundamental formula for quaternions, carving the equation into the side of Broom Bridge (pictured) in Cabra, Dublin, Ireland.
- 1940 – World War II: Nazi Governor-General Hans Frank established the Warsaw Ghetto, the largest Jewish ghetto in occupied Poland.
- 1978 – Karol Józef Wojtyła, a cardinal from Kraków, Poland, became Pope John Paul II, the first non-Italian pope since the 16th century and the first ever from a Slavic country.
More events: October 15 – October 16 – October 17
