The temperature on April 2, 1912 was between 1.9 °C and 8.6 °C and averaged 4.7 °C. There was 6.2 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
May 5 » Pravda, the "voice" of the Communist Party of the Soviet Union, begins publication in Saint Petersburg.
September 2 » Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
October 7 » The Helsinki Stock Exchange sees its first transaction.
November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
Day of marriage April 1, 1937
The temperature on April 1, 1937 was between 4.1 °C and 10.1 °C and averaged 6.5 °C. There was 0.5 hours of sunshine (4%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
May 7 » Spanish Civil War: The German Condor Legion, equipped with Heinkel He 51 biplanes, arrives in Spain to assist Francisco Franco's forces.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 6 » Spanish Civil War: Battle of Brunete: The battle begins with Spanish Republican troops going on the offensive against the Nationalists to relieve pressure on Madrid.
July 9 » The silent film archives of Fox Film Corporation are destroyed by the 1937 Fox vault fire.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
September 5 » Spanish Civil War: Llanes falls to the Nationalists following a one-day siege.
Day of death March 20, 1978
The temperature on March 20, 1978 was between 4.0 °C and 8.4 °C and averaged 6.3 °C. There was 3.1 mm of rain during 1.5 hours. There was 3.4 hours of sunshine (28%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 24 » Soviet satellite Kosmos 954, with a nuclear reactor on board, burns up in Earth's atmosphere, scattering radioactive debris over Canada's Northwest Territories. Only 1% is recovered.
February 9 » The Budd Company unveils its first SPV-2000 self-propelled railcar in Philadelphia, Pennsylvania.
February 19 » Egyptian forces raid Larnaca International Airport in an attempt to intervene in a hijacking, without authorisation from the Republic of Cyprus authorities. The Cypriot National Guard and Police forces kill 15 Egyptian commandos and destroy the Egyptian C-130 transport plane in open combat.
March 11 » Coastal Road massacre: At least 37 are killed and more than 70 are wounded when Fatah hijack an Israeli bus, prompting Israel's Operation Litani.
April 17 » Mir Akbar Khyber is assassinated, provoking a communist coup d'état in Afghanistan.
May 25 » The first of a series of bombings orchestrated by the Unabomber detonates at Northwestern University resulting in minor injuries.
When copying data from this family tree, please include a reference to the origin: Annemarie Kalishoek, "Family tree De Koning", database, Genealogy Online (https://www.genealogieonline.nl/de-koning-stamboom/R596.php : accessed January 23, 2026), "Pieter Jakobus de Koning (1912-1978)".
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