The temperature on July 20, 1917 was between 10.0 °C and 20.3 °C and averaged 15.8 °C. There was 13.6 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 11 » The Kingsland munitions factory explosion occurs as a result of sabotage.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
June 23 » In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
Day of death June 20, 1973
The temperature on June 20, 1973 was between 15.1 °C and 26.1 °C and averaged 18.7 °C. There was -0.1 mm of rain. There was 7.5 hours of sunshine (45%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 19 » The Portuguese Socialist Party is founded in the German town of Bad Münstereifel.
May 8 » A 71-day standoff between federal authorities and the American Indian Movement members occupying the Pine Ridge Reservation at Wounded Knee, South Dakota ends with the surrender of the militants.
August 15 » Vietnam War: The United States bombing of Cambodia ends.
September 11 » JAT Airways Flight 769 crashes into the Maganik mountain range while on approach to Titograd Airport, killing 35 passengers and six crew.
November 4 » The Netherlands experiences the first Car-Free Sunday caused by the 1973 oil crisis. Highways are used only by cyclists and roller skaters.
November 24 » A national speed limit is imposed on the Autobahn in Germany because of the 1973 oil crisis. The speed limit lasts only four months.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I21226.php : accessed February 3, 2026), "Dirk Jacobus de Beer (1917-1973)".
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