1821
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| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 18th century – 19th century – 20th century |
| Decades: | 1790s 1800s 1810s – 1820s – 1830s 1840s 1850s |
| Years: | 1818 1819 1820 – 1821 – 1822 1823 1824 |
1821 Media
March 25 (April 6 in the Julian calendar): Germanos of Patras declares the independence of Greece from the Ottoman Empire to start the Greek War of Independence.
June 24: Battle of Carabobo
July 19: Coronation of George IV of the United Kingdom
July 28: Proclamation of the Independence of Peru
September 15: Declaration of Independence of Central America
September 27: Entrance of the Army of the Three Guarantees to Mexico City
James Longstreet
Rudolf Virchow
1821 (MDCCCXXI) was a common year starting on Monday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1821st year of the Common Era (CE) and Anno Domini (AD) designations, the 821st year of the 2nd millennium, the 21st year of the 19th century, and the 2nd year of the 1820s decade. As of the start of 1821, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.
Deaths
- January 4 – Elizabeth Ann Seton, American saint (b. 1774)
- February 23 – John Keats, British poet (b. 1795)
- March 13 – John Hunter, second Governor of New South Wales (b. 1737)
- May 5 – Napoleon I of France (b. 1769)
- May 19 – Camille Jordan, French politician (b. 1771)
- September 10 – Johann Dominicus Fiorillo, German painter and art historian