page_title: 1621
section_title: October–December
hierarchical_section_title: 1621 / Deaths / October–December
caption_attribution_description: Portrait of Paul Phélypeaux de Pontchartrain, secrétaire d'État."
context_page_description: 1621 was a common year starting on Friday of the Gregorian calendar and a common year starting on Monday of the Julian calendar, the 1621st year of the Common Era and Anno Domini designations, the 621st year of the 2nd millennium, the 21st year of the 17th century, and the 2nd year of the 1620s decade. As of the start of 1621, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.
context_section_description: October 8 – Antoine de Montchrestien, French dramatist and economist (b. c. 1575)
  October 11 – Andrzej Sapieha, Polish nobleman (b. 1539)
  October 16 – Jan Pieterszoon Sweelinck, Dutch composer (b. 1562)
  October 19 – Imre Thurzó, Hungarian noble (b. 1598)
  October 21 – Paul Phélypeaux de Pontchartrain, French politician (b. 1569)
  November 26 – Ralph Agas, English surveyor (b. c. 1540)
  December 4 – Andrew Willet, English theologian (b. 1562)
  December 13 – Katarina Stenbock, queen of Gustav I of Sweden (b. 1535)
  December 15 – Charles d'Albert, duc de Luynes, Constable of France (b. 1578)
caption: Paul Phélypeaux de Pontchartrain
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