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 9 » Battle of Bear Valley: The last battle of the American Indian Wars.
March 25 » The Belarusian People's Republic is established.
July 6 » The Left SR uprising in Russia starts with the assassination of German ambassador Wilhelm von Mirbach by Cheka members.
October 28 » First World War: A new Polish government in western Galicia is established, triggering the Polish–Ukrainian War.
November 13 » World War I: Allied troops occupy Constantinople, the capital of the Ottoman Empire.
November 18 » Latvia declares its independence from Russia.
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
January 6 » Pan American Airlines becomes the first commercial airline to offer a round-the-world ticket.
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
April 16 » Bernard Baruch first applies the term "Cold War" to describe the relationship between the United States and the Soviet Union.
June 24 » Kenneth Arnold makes the first widely reported UFO sighting near Mount Rainier, Washington, leading to the coining of the phrase "flying saucer".
September 18 » The National Security Council and the Central Intelligence Agency are established in the United States by the National Security Act. It also establishes the Air Force as an equal partner of the Army and Navy.
December 30 » Cold War: King Michael I of Romania is forced to abdicate by the Soviet Union-backed Communist government of Romania.
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 22 » In a bout for the world heavyweight boxing championship in Kingston, Jamaica, challenger George Foreman knocks down champion Joe Frazier six times in the first two rounds before the fight is stopped by referee Arthur Mercante.
February 27 » The American Indian Movement occupies Wounded Knee in protest of the federal government.
May 5 » Secretariat wins the 1973 Kentucky Derby in 1:59⁄5, an as-yet unbeaten record.
September 18 » The Bahamas, East Germany and West Germany are admitted to the United Nations.
September 26 » Concorde makes its first non-stop crossing of the Atlantic in record-breaking time.
December 24 » District of Columbia Home Rule Act is passed, allowing residents of Washington, D.C. to elect their own local government.
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 23, 2026), "Petrus Boenstra (1918-1973)".
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