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.
February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
June 28 » World War I: Greece joins the Allied powers.
December 6 » World War I: USSJacob Jones is the first American destroyer to be sunk by enemy action when it is torpedoed by German submarine SMU-53.
December 9 » World War I: Field Marshal Allenby captures Jerusalem, Palestine.
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.
January 22 » A chartered Boeing 707 explodes in flames upon landing at Kano Airport, Nigeria, killing 176.
January 27 » The Paris Peace Accords officially end the Vietnam War. Colonel William Nolde is killed in action becoming the conflict's last recorded American combat casualty.
February 22 » Cold War: Following President Richard Nixon's visit to the People's Republic of China, the two countries agree to establish liaison offices.
April 10 » Invicta International Airlines Flight 435 crashes in a snowstorm on approach to Basel, Switzerland, killing 108 people.
June 20 » Aeroméxico Flight 229 crashes on approach to Licenciado Gustavo Díaz Ordaz International Airport, killing all 27 people on board.
November 14 » In the United Kingdom, Princess Anne marries Captain Mark Phillips, in Westminster Abbey.
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 January 31, 2026), "Dirk Jacobus de Beer (1917-1973)".
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