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1775 (MDCCLXXV) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1775th year of the Common Era (CE) and Anno Domini (AD) designations, the 775th year of the 2nd millennium, the 75th year of the 18th century, and the 6th year of the 1770s decade. As of the start of 1775, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
1775 in various calendars
Gregorian calendar1775
Ab urbe condita2528
Armenian calendar1224
Assyrian calendar6525
Balinese saka calendar1696–1697
Bengali calendar1182
Berber calendar2725
British Regnal year15 Geo. 3 – 16 Geo. 3
Buddhist calendar2319
Burmese calendar1137
Byzantine calendar7283–7284
Chinese calendar甲午年 (Wood Horse)
4471 or 4411
    — to —
乙未年 (Wood Goat)
4472 or 4412
Coptic calendar1491–1492
Discordian calendar2941
Ethiopian calendar1767–1768
Hebrew calendar5535–5536
Hindu calendars
 - Vikram Samvat1831–1832
 - Shaka Samvat1696–1697
 - Kali Yuga4875–4876
Holocene calendar11775
Igbo calendar775–776
Iranian calendar1153–1154
Islamic calendar1188–1189
Japanese calendarAn'ei 4
Javanese calendar1700–1701
Julian calendarGregorian minus 11 days
Korean calendar4108
Minguo calendar137 before ROC
Nanakshahi calendar307
Thai solar calendar2317–2318
Tibetan calendar阳木马年
(male Wood-Horse)
1901 or 1520 or 748
    — to —
(female Wood-Goat)
1902 or 1521 or 749



The American Revolutionary War began this year, with the first military engagement being the April 19 Battles of Lexington and Concord on the day after Paul Revere's now-legendary ride. The Second Continental Congress takes various steps toward organizing an American government, appointing George Washington commander-in-chief (June 14), Benjamin Franklin postmaster general (July 26) and creating a Continental Navy (October 13) and a Marine force (November 10) as landing troops for it, but as yet the 13 colonies have not declared independence, and both the British (June 12) and American (July 15) governments make laws. On July 6, Congress issues the Declaration of the Causes and Necessity of Taking Up Arms and on August 23, King George III of Great Britain declares the American colonies in rebellion, announcing it to Parliament on November 10. On June 17, two months into the colonial siege of Boston, at the Battle of Bunker Hill, just north of Boston, British forces are victorious, but only after suffering severe casualties and after Colonial forces run out of ammunition, Fort Ticonderoga is taken by American forces in New York Colony's northern frontier, and American forces unsuccessfully invade Canada, with an attack on Montreal defeated by British forces on November 13 and an attack on Quebec repulsed December 31.

Human knowledge and mastery over nature advances when James Watt builds a successful prototype of a steam engine, and a scientific expedition continues as Captain James Cook claims the South Georgia and South Sandwich Islands in the south Atlantic Ocean for Britain. Nature's power over humanity is dramatically demonstrated when the Independence Hurricane (August 29 – September 13) devastates the east coast of North America, killing 4,173, and when, on the western side of the North American continent, Tseax Cone erupts in the future British Columbia, as well as when a smallpox epidemic begins in New England. Smallpox vaccine was then developed by Edward Jenner. There is no cure for smallpox.



August 18: Tucson is founded.

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  1. ^ Warren, James Francis (1981). The Sulu Zone, 1768-1898: The Dynamics of External Trade, Slavery, and Ethnicity in the Transformation of a Southeast Asian Maritime State. Singapore: NUS Press. p. 36.
  2. ^ a b de Madriaga, Isabel (January 1974). "Catherine II and the Serfs: A Reconsideration of Some Problems". The Slavonic and East European Review. 52 (126): 34–62. JSTOR 4206834.
  3. ^ "Battles of Lexington and Concord", Britannica Student Encyclopedia, 2006, p. 454, The American Revolution began on April 19, 1775, with the Battles of Lexington and Concord.
  4. ^ Scherer, F. M. (1965). "Invention and Innovation in the Watt-Boulton Steam-Engine Venture". Technology and Culture. 6 (2): 165–87. doi:10.2307/3101072. JSTOR 3101072.
  5. ^ "The Invention of the Steam Engine: The Life of James Watt. Part 4: The Steam Engine Gains Popularity". About.com Inventors. Retrieved February 25, 2011.
  6. ^ Carvill, James (1981). Famous names in engineering. London Boston: Butterworths. p. 1. ISBN 9780408005401.
  7. ^ George Holbert Tucker (1995). Jane Austen the Woman: Some Biographical Insights. St. Martin's Griffin. p. 6.

Further readingEdit