1721

year

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Commons category: 1721
point in time: 1721-01-01

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November 2: The Russian Empire is created as the Tsar Peter the Great is proclaimed "Tsar of all the Russias". (1858 painting by Stanisław Chlebowski)

August 18: The siege of Shamakhi ends in Persia. 1721 (MDCCXXI) was a common year starting on Wednesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1721st year of the Common Era (CE) and Anno Domini (AD) designations, the 721st year of the 2nd millennium, the 21st year of the 18th century, and the 2nd year of the 1720s decade. As of the start of 1721, the Gregorian calendar was 11 days ahead of the Julian calendar, which remained in localized use until 1923.