The temperature on January 12, 1915 was between 0.2 °C and 7.0 °C and averaged 4.3 °C. There was 0.9 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
January 22 » Over 600 people are killed in Guadalajara, Mexico, when a train plunges off the tracks into a deep canyon.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
Day of marriage May 25, 1944
The temperature on May 25, 1944 was between 9.8 °C and 15.0 °C and averaged 12.2 °C. There was 2.2 mm of rain during 2.2 hours. There was 4.7 hours of sunshine (29%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
April 22 » The 1st Air Commando Group using Sikorsky R-4 helicopters stage the first use of helicopters in combat with combat search and rescue operations in the China Burma India Theater.
August 19 » World War II: Liberation of Paris: Paris, France rises against German occupation with the help of Allied troops.
September 13 » World War II: Start of the Battle of Meligalas between the Greek Resistance forces of the Greek People's Liberation Army (ELAS) and the collaborationist security battalions.
November 12 » World War II: The Royal Air Force launches 29 Avro Lancaster bombers, which sink the German battleship Tirpitz, with 12,000lb Tallboy bombs off Tromsø, Norway.
November 24 » World War II: The 73rd Bombardment Wing launches the first attack on Tokyo from the Northern Mariana Islands.
December 3 » Greek Civil War: Fighting breaks out in Athens between the ELAS and government forces supported by the British Army.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I244477.php : accessed February 25, 2026), "Maria Jantina Geertruida Grootoonk (1915-< 2014)".
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