January 30 » Eighty Years' War: The Treaty of Münster and Osnabrück is signed, ending the conflict between the Netherlands and Spain.
August 8 » Mehmed IV (1648–1687) succeeds Ibrahim I (1640–1648) as Ottoman Emperor.
August 20 » Battle of Lens: French Duc d'Enghien defeats Spaniards
August 28 » The Siege of Colchester ends when Royalists Forces surrender to the Parliamentary Forces after eleven weeks, during the Second English Civil War.
October 18 » Boston Shoemakers form first American labor organization.
October 24 » The Peace of Westphalia is signed, marking the end of the Thirty Years' War.
Day of death August 21, 1721
The temperature on August 21, 1721 was about 17.0 °C. Source: KNMI
January 6 » The Committee of Inquiry on the South Sea Bubble publishes its findings, revealing details of fraud among company directors and corrupt politicians.
March 24 » Johann Sebastian Bach dedicated six concertos to Margrave Christian Ludwig of Brandenburg-Schwedt, now commonly called the Brandenburg Concertos, BWV 1046-1051.
April 4 » Sir Robert Walpole becomes the first British prime minister.
April 26 » A massive earthquake devastates the Iranian city of Tabriz.
August 18 » The city of Shamakhi in Safavid Shirvan is sacked.
October 22 » Russian Empire is proclaimed by Tsar Peter I after the Swedish defeat in the Great Northern War.
When copying data from this family tree, please include a reference to the origin: W. van Soom, "Family tree Van Soom", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-soom/I10656.php : accessed March 2, 2026), "Martinus Borremans (-1721)".
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