1797

Millennium:	2nd millennium
Centuries:	17th century – 18th century – 19th century
Decades:	1760s  1770s  1780s  – 1790s –  1800s  1810s  1820s
Years:	1794 1795 1796 – 1797 – 1798 1799 1800

1797 in other calendars

Gregorian calendar	1797 MDCCXCVII
French Republican calendar	5–6
Ab urbe condita	2550
Armenian calendar	1246 ԹՎ ՌՄԽԶ
Assyrian calendar	6547
Balinese saka calendar	1718–1719
Bengali calendar	1204
Berber calendar	2747
British Regnal year	37 Geo. 3 – 38 Geo. 3
Buddhist calendar	2341
Burmese calendar	1159
Byzantine calendar	7305–7306
Chinese calendar	丙辰年 (Fire Dragon) 4493 or 4433     — to — 丁巳年 (Fire Snake) 4494 or 4434
Coptic calendar	1513–1514
Discordian calendar	2963
Ethiopian calendar	1789–1790
Hebrew calendar	5557–5558
Hindu calendars
- Vikram Samvat	1853–1854
- Shaka Samvat	1718–1719
- Kali Yuga	4897–4898
Holocene calendar	11797
Igbo calendar	797–798
Iranian calendar	1175–1176
Islamic calendar	1211–1212
Japanese calendar	Kansei 9 (寛政９年)
Javanese calendar	1723–1724
Julian calendar	Gregorian minus 11 days
Korean calendar	4130
Minguo calendar	115 before ROC 民前115年
Nanakshahi calendar	329
Thai solar calendar	2339–2340
Tibetan calendar	阳火龙年 (male Fire-Dragon) 1923 or 1542 or 770     — to — 阴火蛇年 (female Fire-Snake) 1924 or 1543 or 771

1797 (MDCCXCVII) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1797th year of the Common Era (CE) and Anno Domini (AD) designations, the 797th year of the 2nd millennium, the 97th year of the 18th century, and the 8th year of the 1790s decade. As of the start of 1797, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

Events

• January 3 – The Treaty of Tripoli (a peace treaty between the United States and Tripoli) is signed at Algiers.
• January 7 – The parliament of the Cisalpine Republic adopts the Italian green-white-red tricolour as official flag. It is the birthday of the flag of Italy.
• February 14 – The Battle of Cape St. Vincent (1797), part of the Wars of the French Revolution.
• February 18 – Spanish Governor Chacon peacefully surrenders the colony of Trinidad and Tobago to a British naval force.
• February 22 – Attempted invasion of Britain at Fishguard in Wales by French forces
• February 26 – The Bank of England (national bank of Britain) issues the first one-pound note (discontinued March 11, 1988).
• March 4 – John Adams succeeds George Washington as the President of the United States of America.
• May 12 – First Coalition: Napoleon I of France conquers Venice, ending the 1100 years of independence of the city. Last doge of Venice, Ludovico Manin, steps down.
• July 24 – Horatio Nelson is wounded at Tenerife, causing a loss of one arm.
• September 7 – Treaty of Campo Formio ends the War of the First Coalition.
• October 21 – In Boston Harbor, the 44-gun United States Navy frigate USS Constitution is launched to fight Barbary pirates off the coast of Tripoli.
• December 17 – Napoleon leads a successful French charge against Fort l'Aiguilette to secure Toulon for French
• Large-scale mutinies in Royal Navy
• Joseph Haydn composes the music to "Gott erhalte Franz den Kaiser," the tune of which also became the music to the German national anthem, "Einigkeit und Recht und Freiheit."

Births

• Date unknown – Mahmud Bayazidi, Kurdish polymath
• August 30 – Mary Shelley, British writer of Frankenstein

Deaths

• September 10 – Mary Wollstonecraft, female philosopher (b. 1759)