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.
February 13 » Copyright: In New York City the American Society of Composers, Authors and Publishers is established to protect the copyrighted musical compositions of its members.
March 1 » The Republic of China joins the Universal Postal Union.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
August 26 » World War I: During the retreat from Mons, the British II Corps commanded by General Sir Horace Smith-Dorrien fought a vigorous and successful defensive action at Le Cateau.
September 1 » St. Petersburg, Russia, changes its name to Petrograd.
September 8 » World War I: Private Thomas Highgate becomes the first British soldier to be executed for desertion during the war.
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).
February 14 » World War II: On the first day of the bombing of Dresden, the British Royal Air Force and the United States Army Air Forces begin fire-bombing Dresden.
April 9 » The United States Atomic Energy Commission is formed.
April 25 » The last German troops retreat from Finland's soil in Lapland, ending the Lapland War. Military acts of Second World War end in Finland.
May 5 » World War II: The German surrender at Lüneburg Heath becomes effective, encompassing all German armed forces opposing the 21st Army Group in northwestern Germany, Denmark, and the Netherlands.
September 8 » The division of Korea begins when United States troops arrive to partition the southern part of Korea in response to Soviet troops occupying the northern part of the peninsula a month earlier.
November 21 » The United Auto Workers strike 92 General Motors plants in 50 cities to back up worker demands for a 30-percent raise.
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
January 19 » British Aerospace agrees to acquire the defence subsidiary of the General Electric Company plc, forming BAE Systems in November 1999.
February 7 » Crown Prince Abdullah becomes the King of Jordan on the death of his father, King Hussein.
February 13 » The last hockey game is played in Maple Leaf Gardens: the Toronto Maple Leafs lose 6–2 to the Chicago Blackhawks.
May 3 » The southwestern portion of Oklahoma City is devastated by an F5 tornado, killing forty-five people, injuring 665, and causing $1billion in damage. The tornado is one of 66 from the 1999 Oklahoma tornado outbreak. This tornado also produces the highest wind speed ever recorded, measured at 301 +/- 20mph (484 +/- 32km/h).
June 10 » Kosovo War: NATO suspends its airstrikes after Slobodan Milošević agrees to withdraw Serbian forces from Kosovo.
November 8 » Bruce Miller is killed at his junkyard near Flint, Michigan. His wife Sharee Miller, who convinced her online lover Jerry Cassaday to kill him (before later killing himself) was convicted of the crime, in what became the world's first Internet murder.
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 October 24, 2026), "Tjeerd de Groot (1914-1999)".
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