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Selected anniversaries
- 28 BC – Chinese astronomers during the Han dynasty made the first precisely dated observation of a sunspot.
- 1833 – Siamese–Vietnamese wars: Lê Văn Khôi escaped from prison to begin a revolt against Emperor Minh Mạng, primarily to avenge his adoptive father, Vietnamese general Lê Văn Duyệt.
- 1916 – Ernest Shackleton and five companions arrived at South Georgia, completing a 1,300 km (800 mi) lifeboat voyage over 16 days to obtain rescue for the Imperial Trans-Antarctic Expedition.
- 1940 – World War II: German forces commenced their invasion of Belgium.
- 2013 – One World Trade Center (pictured) in New York City, the tallest building in the Western Hemisphere, was topped out at a height of 1,776 feet (541 m).
- Leonhart Fuchs (d. 1566)
- Karl Barth (b. 1886)
- Arthur Kopit (b. 1937)
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