March 1 » The Articles of Confederation goes into effect in the United States.
March 13 » William Herschel discovers Uranus.
March 15 » American Revolutionary War: Battle of Guilford Court House: Near present-day Greensboro, North Carolina, 1,900 British troops under General Charles Cornwallis defeat a mixed American force numbering 4,400 in a Pyrrhic victory.
September 4 » Los Angeles is founded as El Pueblo de Nuestra Señora La Reina de los Ángeles (The Village of Our Lady, the Queen of the Angels) by 44 Spanish settlers.
September 28 » American Revolution: American forces backed by a French fleet begin the siege of Yorktown.
October 19 » American Revolutionary War: The siege of Yorktown comes to an end.
Day of death November 20, 1867
The temperature on November 20, 1867 was about 5.6 °C. There was 0.7 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 75%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 17 » The first ship passes through the Suez Canal.
March 30 » Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
May 15 » Canadian Bank of Commerce opens for business in Toronto, Ontario. The bank would later merge with Imperial Bank of Canada to become what is CIBC in 1961.
June 19 » Maximilian I of the Second Mexican Empire is executed by a firing squad in Querétaro, Querétaro.
October 18 » United States takes possession of Alaska after purchasing it from Russia for $7.2million. Celebrated annually in the state as Alaska Day.
December 13 » A Fenian bomb explodes in Clerkenwell, London, killing six.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I140228.php : accessed February 24, 2026), "Catharina Holswilder (1781-1867)".
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