The temperature on March 31, 1914 was between 7.6 °C and 16.8 °C and averaged 12.2 °C. There was 10.2 hours of sunshine (79%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
April 21 » Ypiranga incident: A German arms shipment to Mexico is intercepted by the U.S. Navy near Veracruz.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
August 27 » World War I: Battle of Étreux: A British rearguard action by the Royal Munster Fusiliers during the Great Retreat.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
October 29 » Ottoman entry into World War I.
November 13 » Zaian War: Berber tribesmen inflict the heaviest defeat of French forces in Morocco at the Battle of El Herri.
Day of marriage July 19, 1945
The temperature on July 19, 1945 was between 13.9 °C and 23.7 °C and averaged 19.2 °C. There was 0.4 mm of rain during 0.3 hours. There was 6.5 hours of sunshine (40%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 25 » World War II: The Battle of the Bulge ends.
February 21 » World War II: the Brazilian Expeditionary Force defeat the German forces in the Battle of Monte Castello on the Italian front.
February 23 » World War II: The capital of the Philippines, Manila, is liberated by combined Filipino and American forces.
April 27 » World War II: Benito Mussolini is arrested by Italian partisans in Dongo, while attempting escape disguised as a German soldier.
April 27 » World War II: The last German formations withdraw from Finland to Norway. The Lapland War and thus, World War II in Finland, comes to an end and the Raising the Flag on the Three-Country Cairn photograph is taken.
September 16 » World War II: The Japanese occupation of Hong Kong comes to an end.
Day of death March 21, 1999
The temperature on March 21, 1999 was between 5.5 °C and 7.6 °C and averaged 6.3 °C. There was 4.9 mm of rain during 5.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
August 17 » The 7.6 Mw İzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.
September 14 » Kiribati, Nauru and Tonga join the United Nations.
November 12 » The 7.2 Mw Düzce earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent). At least 845 people were killed and almost 5,000 were injured.
November 25 » A 5-year-old Cuban boy, Elian Gonzalez, is rescued by fishermen while floating in an inner tube off the Florida coast.
November 27 » The centre-left Labour Party takes control of the New Zealand government with leader Helen Clark becoming the first elected female Prime Minister in New Zealand's history.
December 14 » Torrential rains cause flash floods in Vargas, Venezuela, resulting in tens of thousands of deaths, the destruction of thousands of homes, and the complete collapse of the state's infrastructure.
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/I65576.php : accessed December 26, 2025), "Tjeerd de Groot (1914-1999)".
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