The temperature on February 14, 1911 was between -3.9 °C and -1.4 °C and averaged -2.2 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
Day of death August 23, 1969
The temperature on August 23, 1969 was between 9.2 °C and 17.6 °C and averaged 12.8 °C. There was 8.4 mm of rain during 5.1 hours. There was 4.6 hours of sunshine (32%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I102485.php : accessed February 11, 2026), "Gerrit van Herwijnen (1911-1969)".
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