The temperature on March 15, 1919 was between 0.6 °C and 7.0 °C and averaged 4.3 °C. There was 0.8 hours of sunshine (7%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 2 » The first Communist International meets in Moscow.
May 15 » Greek occupation of Smyrna. During the occupation, the Greek army kills or wounds 350 Turks; those responsible are punished by Greek commander Aristides Stergiades.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
June 7 » Sette Giugno: Nationalist riots break out in Valletta, the capital of Malta. British soldiers fire into the crowd, killing four people.
July 6 » The British dirigible R34 lands in New York, completing the first crossing of the Atlantic Ocean by an airship.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
Day of death June 20, 1966
The temperature on June 20, 1966 was between 10.2 °C and 18.3 °C and averaged 14.5 °C. There was 6.3 mm of rain during 0.5 hours. There was 2.7 hours of sunshine (16%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 2 » Pakistan suggests a six-point agenda with Kashmir after the Indo-Pakistani War of 1965.
March 16 » Launch of Gemini 8, the 12th manned American space flight and first space docking with an Agena Target Vehicle.
July 4 » U.S. President Lyndon B. Johnson signs the Freedom of Information Act into United States law. The act went into effect the next year.
August 22 » Labor movements NFWA and AWOC merge to become the United Farm Workers Organizing Committee (UFWOC), predecessor of the United Farm Workers.
October 5 » A reactor at the Enrico Fermi Nuclear Generating Station near Detroit suffers a partial meltdown.
December 8 » The Greek ship SSHeraklion sinks in a storm in the Aegean Sea, killing over 200.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I80754.php : accessed February 18, 2026), "Nicolaas Plokker (1919-1966)".
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