The temperature on April 2, 1918 was between 1.2 °C and 12.6 °C and averaged 6.9 °C. There was 7.1 hours of sunshine (55%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 8 » U.S. President Woodrow Wilson announces his "Fourteen Points" for the aftermath of World War I.
February 1 » Russia adopts the Gregorian calendar.
August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
August 29 » World War I: Bapaume taken by the New Zealand Division in the Hundred Days Offensive.
October 29 » The German High Seas Fleet is incapacitated when sailors mutiny on the night of the 29th-30th, an action which would trigger the German Revolution of 1918–19.
November 9 » Kaiser Wilhelm II of Germany abdicates after the German Revolution, and Germany is proclaimed a Republic.
Day of marriage August 30, 1947
The temperature on August 30, 1947 was between 11.3 °C and 23.1 °C and averaged 17.1 °C. There was 12.4 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 30 » In Nevada, Boulder Dam is renamed Hoover Dam.
June 25 » The Diary of a Young Girl (better known as The Diary of Anne Frank) is published.
November 2 » In California, designer Howard Hughes performs the maiden (and only) flight of the Hughes H-4 Hercules (also known as the "Spruce Goose"), the largest fixed-wing aircraft ever built.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
December 16 » William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
December 17 » First flight of the Boeing B-47 Stratojet strategic bomber.
Day of death August 25, 1973
The temperature on August 25, 1973 was between 9.0 °C and 22.2 °C and averaged 15.8 °C. There was 6.6 hours of sunshine (47%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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 15 » Vietnam War: Citing progress in peace negotiations, President Richard Nixon announces the suspension of offensive action in North Vietnam.
May 5 » Secretariat wins the 1973 Kentucky Derby in 1:59⁄5, an as-yet unbeaten record.
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.
May 18 » Aeroflot Flight 109 is hijacked mid-flight and the aircraft is subsequently destroyed when the hijacker's bomb explodes, killing all 82 people on board.
August 2 » A flash fire kills 51 people at the Summerland amusement centre at Douglas, Isle of Man.
December 28 » The United States Endangered Species Act is signed into law by Pres. Richard Nixon.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I121125.php : accessed October 20, 2026), "Petrus Boenstra (1918-1973)".
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