The temperature on February 16, 1915 was between -1.5 °C and 7.7 °C and averaged 2.9 °C. There was 7.2 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
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.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of death June 26, 1961
The temperature on June 26, 1961 was between 12.1 °C and 25.3 °C and averaged 18.7 °C. There was 2.7 mm of rain during 3.6 hours. There was 8.3 hours of sunshine (50%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 3 » Cold War: The United States severs diplomatic relations with Cuba over the latter's nationalization of American assets.
June 4 » Cold War: In the Vienna summit, the Soviet premier Nikita Khrushchev sparks the Berlin Crisis by threatening to sign a separate peace treaty with East Germany and ending American, British and French access to East Berlin.
July 4 » On its maiden voyage, the Soviet nuclear-powered submarine K-19 suffers a complete loss of coolant to its reactor. The crew are able to effect repairs, but 22 of them die of radiation poisoning over the following two years.
September 11 » Hurricane Carla strikes the Texas coast as a Category 4 hurricane, the second strongest storm ever to hit the state.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
December 19 » India annexes Daman and Diu, part of Portuguese India.
When copying data from this family tree, please include a reference to the origin: Michiel van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-loon/I4672.php : accessed February 5, 2026), "Lammert van der Ploeg (1915-1961)".
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