Year 1727 (MDCCXXVII) was a common year starting on Wednesday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 11-day slower Julian calendar).

Events of 1727

January - June

• June 11 - George, Prince of Wales becomes King George II of Great Britain.
• June 27 - Uxbridge, Massachusetts is incorporated as a town.

July - December

• August 30 - Anne, eldest daughter of King George II of Great Britain, is given the title Princess Royal.
• September 8 - A barn fire during a puppet show in the village of Burwell, Cambridgeshire, England, kills 78 people, many of whom are children.
• November 18 - An earthquake in Tazriz, Persia kills 77,000.

Undated

• 1727 to 1800 - Lt. Col. Francisco de Mello Palheta smuggles coffee seeds to Brazil in a bouquet, starting a coffee empire.
• The last execution for witchcraft is carried out in Scotland.
• The first Amish move to America.
• The Royal Bank of Scotland is founded by royal charter in Edinburgh.
• Catholic Charities is founded in New Orleans, USA, by the French Ursuline Sisters.

Births

• January 2 - James Wolfe, British general (d. 1759)
• May 10 - Anne Robert Turgot, French statesman (d. 1781)
• May 14 - Thomas Gainsborough, English artist (d. 1788)
• August 14 - Henriette-Anne of France (died 1752) and Princess Louise-Élisabeth of France (died 1759), twin daughters of King Louis XV of France
• November 26 - Artemas Ward, American Major General (d. 1800)
• December 6 - Johann Gottfried Zinn (d. 1757)
• December 27 - Arthur Murphy, Irish writer (d. 1805)
• date unknown - Empress Xiao-Yi of China (d. 1775)

Deaths

• February 22 - Francesco Gasparini, Italian composer (b. 1661)
• March 31 - Sir Isaac Newton, British scientist (b. 1642)
• May 17 - Empress Catherine I of Russia (b. 1684)
• June 8 - August Hermann Francke, German Protestant minister (b. 1663)
• June 11 - King George I of Great Britain (b. 1660)
• July 9 - Veronica Giuliani, mystic (b. 1660)
• July 23 - Simon Harcourt, 1st Viscount Harcourt, Lord Chancellor of Great Britain (b. c. 1660)
• August 4 - Victor-Maurice, comte de Broglie, French general (b. 1647)
• August 14 - William Croft, English composer (b. 1678)
• September 7 - Glückel of Hameln, German businesswoman and diarist (b. 1647)
• September 25
  • Jakob Abbadie, Swiss Protestant preacher (b. c. 1654)
  • Sarah Kemble Knight, diarist (b. 1666)
• November 10 - Alphonse de Tonty, French explorer and American settler (b. 1659)
• December 26 - Baltasar de Zúñiga y Guzmán, duque de Arión, viceroy of New Spain (b. 1658)
• date unknown - Jesse of Kartli, King of Georgia (b. 1680/81)

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