The temperature on May 15, 1918 was between 4.5 °C and 20.7 °C and averaged 13.1 °C. There was 0.1 mm of rain. There was 5.8 hours of sunshine (37%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 29 » Ukrainian–Soviet War: The Bolshevik Red Army, on its way to besiege Kiev, is met by a small group of military students at the Battle of Kruty.
April 23 » World War I: The British Royal Navy makes a raid in an attempt to neutralise the Belgian port of Bruges-Zeebrugge.
July 4 » Mehmed V died at the age of 73 and Ottoman sultan Mehmed VI ascends to the throne.
November 7 » The 1918 influenza epidemic spreads to Western Samoa, killing 7,542 (about 20% of the population) by the end of the year.
December 1 » Transylvania unites with Romania, following the incorporation of Bessarabia (March 27) and Bukovina (November 28), thus concluding the Great Union.
December 14 » The 1918 United Kingdom general election occurs, the first where women were permitted to vote.
Day of marriage July 26, 1941
The temperature on July 26, 1941 was between 17.6 °C and 28.3 °C and averaged 21.9 °C. There was 8.9 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 4 » The United Service Organization (USO) is created to entertain American troops.
September 4 » World War II: A German submarine makes the first attack of the war against a United States warship, the USSGreer.
September 30 » World War II: The Babi Yar massacre comes to an end.
October 2 » World War II: In Operation Typhoon, the Wehrmacht attempts to capture Moscow before the onset of winter.
October 31 » After 14 years of work, Mount Rushmore is completed.
December 24 » World War II: Kuching is conquered by Japanese forces.
Day of death September 12, 1992
The temperature on September 12, 1992 was between 8.5 °C and 17.8 °C and averaged 12.6 °C. There was 5.3 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 17 » A referendum to end apartheid in South Africa is passed 68.7% to 31.2%.
April 27 » Betty Boothroyd becomes the first woman to be elected Speaker of the British House of Commons in its 700-year history.
May 17 » Three days of popular protests against the government of Prime Minister of Thailand Suchinda Kraprayoon begin in Bangkok, leading to a military crackdown that results in 52 officially confirmed deaths, hundreds of injuries, many disappearances, and more than 3,500 arrests.
July 10 » In Miami, former Panamanian leader Manuel Noriega is sentenced to 40 years in prison for drug and racketeering violations.
September 16 » The trial of the deposed Panamanian dictator Manuel Noriega ends in the United States with a 40-year sentence for drug trafficking and money laundering.
September 29 » Brazilian President Fernando Collor de Mello is impeached.
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/I176498.php : accessed February 19, 2026), "Ytje de Groot (1918-1992)".
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