1800
year
(Redirected from AD 1800)
1800 (MDCCC) was an exceptional common year starting on Wednesday of the Gregorian calendar and a leap year starting on Sunday of the Julian calendar, the 1800th year of the Common Era (CE) and Anno Domini (AD) designations, the 800th year of the 2nd millennium, the 100th and last year of the 18th century, and the 1st year of the 1800s decade. As of the start of 1800, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.
Millennium: | 2nd millennium |
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Centuries: | 17th century – 18th century – 19th century |
Decades: | 1770s 1780s 1790s – 1800s – 1810s 1820s 1830s |
Years: | 1797 1798 1799 – 1800 – 1801 1802 1803 |
Gregorian calendar | 1800 MDCCC |
French Republican calendar | 8–9 |
Ab urbe condita | 2553 |
Armenian calendar | 1249 ԹՎ ՌՄԽԹ |
Assyrian calendar | 6550 |
Balinese saka calendar | 1721–1722 |
Bengali calendar | 1207 |
Berber calendar | 2750 |
British Regnal year | 40 Geo. 3 – 41 Geo. 3 |
Buddhist calendar | 2344 |
Burmese calendar | 1162 |
Byzantine calendar | 7308–7309 |
Chinese calendar | 己未年 (Earth Goat) 4496 or 4436 — to — 庚申年 (Metal Monkey) 4497 or 4437 |
Coptic calendar | 1516–1517 |
Discordian calendar | 2966 |
Ethiopian calendar | 1792–1793 |
Hebrew calendar | 5560–5561 |
Hindu calendars | |
- Vikram Samvat | 1856–1857 |
- Shaka Samvat | 1721–1722 |
- Kali Yuga | 4900–4901 |
Holocene calendar | 11800 |
Igbo calendar | 800–801 |
Iranian calendar | 1178–1179 |
Islamic calendar | 1214–1215 |
Japanese calendar | Kansei 12 (寛政12年) |
Javanese calendar | 1726–1727 |
Julian calendar | Gregorian minus 11 or 12 days |
Korean calendar | 4133 |
Minguo calendar | 112 before ROC 民前112年 |
Nanakshahi calendar | 332 |
Thai solar calendar | 2342–2343 |
Tibetan calendar | 阴土羊年 (female Earth-Goat) 1926 or 1545 or 773 — to — 阳金猴年 (male Iron-Monkey) 1927 or 1546 or 774 |
Events
change- World population hits 1 billion.
- March 14 – Cardinal Barnaba Chiaramonti is elected pope as Pius VII.
- March 21 – Pius VII is ordained.
- April 24 – U.S. Library of Congress founded.
- May 5 – Great Britain passes the Act of Union to join Great Britain and Ireland into the United Kingdom of Great Britain and Ireland to take effect on 1 January 1801. The act is signed by King George III in August.
- May 15 – Napoleon Bonaparte crosses the Alps and invades Italy.
- June 14 – Battle of Marengo, Napoleon defeats the Austrian troops near Marengo, Italy.
- June 2 – First smallpox vaccination in North America, at Trinity, Newfoundland.
- June 27 – Pascha Jussuf Karamanli of Tripoli declares war on Sweden by having the flagpole on the consulate chopped down.
- September 5 – The island of Malta, that was occupied by the French, is conquered by British troops.
- November 1 – U.S. President John Adams becomes the first President of the United States to live in the Executive Mansion (later renamed the White House).
- November 17 – The U.S. Congress holds its first Washington, DC session.
- December 3 – Battle of Hohenlinden, the French army defeats the Austrian troops.
- December 24 – An assault on Napoleon Bonaparte fails in Paris.
- December 24 – Pierre Coudrin and Henriette Aymer de la Chevalerie found the Congregation of the Sacred Hearts of Jesus and Mary in Paris.
- Invention of the voltaic pile by Alessandro Volta: the first chemical battery
- The infrared radiation is discovered by Wilhelm Herschel.
- The Althing of Iceland, the world's oldest parliament, is abolished.
Births
- for more information, see Category:1800 births.
Deaths
- for more information, see Category:1800 deaths.