The temperature on December 20, 1916 was between -1.7 °C and 1.0 °C and averaged -0.2 °C. There was 1.6 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
March 8 » World War I: A British force unsuccessfully attempts to relieve the siege of Kut (present-day Iraq) in the Battle of Dujaila.
April 9 » World War I: The Battle of Verdun: German forces launch their third offensive of the battle.
June 4 » World War I: Russia opens the Brusilov Offensive with an artillery barrage of Austro-Hungarian lines in Galicia.
June 15 » United States President Woodrow Wilson signs a bill incorporating the Boy Scouts of America, making them the only American youth organization with a federal charter.
August 28 » World War I: Italy declares war on Germany.
September 15 » World War I: Tanks are used for the first time in battle, at the Battle of the Somme.
Day of marriage May 15, 1941
The temperature on May 15, 1941 was between 0.6 °C and 12.2 °C and averaged 6.3 °C. There was 6.8 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
January 18 » World War II: British troops launch a general counter-offensive against Italian East Africa.
May 2 » Following the coup d'état against Iraq Crown Prince 'Abd al-Ilah earlier that year, the United Kingdom launches the Anglo-Iraqi War to restore him to power.
May 6 » The first flight of the Republic P-47 Thunderbolt.
September 17 » World War II: Soviet forces enter Tehran during the Anglo-Soviet invasion of Iran.
September 27 » The SSPatrick Henry is launched, becoming the first of more than 2,700 Liberty ships.
December 10 » World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I19802.php : accessed February 25, 2026), "Trijntje den Hartog (1916-)".
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