The temperature on January 23, 1915 was between -1.6 °C and 2.9 °C and averaged 0.7 °C. There was 0.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
September 5 » The pacifist Zimmerwald Conference begins.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
Day of marriage January 21, 1933
The temperature on January 21, 1933 was between -7.6 °C and -1.1 °C and averaged -3.7 °C. There was 7.2 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
March 10 » The Long Beach earthquake affects the Greater Los Angeles Area leaving around 108 people dead.
April 4 » U.S. Navy airship USSAkron is wrecked off the New Jersey coast due to severe weather.
May 2 » Germany's independent labor unions are replaced by the German Labour Front.
August 16 » Christie Pits riot takes place in Toronto, Ontario.
October 10 » A United Airlines Boeing 247 is destroyed by sabotage, the first such proven case in the history of commercial aviation.
November 8 » Great Depression: New Deal: US President Franklin D. Roosevelt unveils the Civil Works Administration, an organization designed to create jobs for more than 4 million unemployed.
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/I246501.php : accessed February 25, 2026), "Pieternella Johanna Magdalena Jansen (1915-± 1994)".
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