The temperature on August 5, 1914 was between 9.7 °C and 21.2 °C and averaged 15.6 °C. There was 0.5 mm of rain. There was 4.6 hours of sunshine (30%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 9 » The Phi Beta Sigma fraternity is founded by African-American students at Howard University in Washington D.C., United States.
June 23 » Mexican Revolution: Pancho Villa takes Zacatecas from Victoriano Huerta.
July 18 » The U.S. Congress forms the Aviation Section, U.S. Signal Corps, giving official status to aircraft within the U.S. Army for the first time.
August 5 » World War I: The German minelayer SSKönigin Luise lays a minefield about 40 miles (64km) off the Thames Estuary (Lowestoft). She is intercepted and sunk by the British light-cruiser HMSAmphion.
August 6 » World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea.
September 22 » A German submarine sinks three British cruisers over a seventy-minute period, killing almost 1500 sailors.
Day of marriage May 8, 1941
The temperature on May 8, 1941 was between -1.7 °C and 11.8 °C and averaged 5.3 °C. There was 0.7 mm of rain during 0.3 hours. There was 8.4 hours of sunshine (55%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
March 25 » The Kingdom of Yugoslavia joins the Axis powers with the signing of the Tripartite Pact.
April 17 » World War II: The Kingdom of Yugoslavia surrenders to Germany.
May 6 » At California's March Field, Bob Hope performs his first USO show.
May 27 » World War II: The German battleshipBismarck is sunk in the North Atlantic killing almost 2,100 men.
June 27 » Romanian authorities launch one of the most violent pogroms in Jewish history in the city of Iași, resulting in the murder of at least 13,266 Jews.
November 1 » American photographer Ansel Adams takes a picture of a moonrise over the town of Hernandez, New Mexico that would become one of the most famous images in the history of photography.
Day of death April 23, 1980
The temperature on April 23, 1980 was between -1.0 °C and 10.9 °C and averaged 6.0 °C. There was -0.1 mm of rain. There was 7.3 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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.
April 9 » The Iraqi regime of Saddam Hussein kills philosopher Muhammad Baqir al-Sadr and his sister Bint al-Huda after three days of torture.
April 30 » Beatrix is inaugurated as Queen of the Netherlands following the abdication of Juliana.
May 8 » The World Health Organization confirms the eradication of smallpox.
May 14 » Salvadoran Civil War: the Sumpul River massacre occurs in Chalatenango, El Salvador.
May 17 » General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.
December 24 » Witnesses report the first of several sightings of unexplained lights near RAF Woodbridge, in Rendlesham Forest, Suffolk, England, United Kingdom, an incident called "Britain's Roswell".
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/I337948.php : accessed January 28, 2026), "Jan Hoekstra (1914-1980)".
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