The temperature on March 30, 1921 was between 2.1 °C and 9.7 °C and averaged 5.5 °C. There was 1.6 mm of rain. There was 5.6 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
February 25 » Georgian capital Tbilisi falls to the invading Russian forces after heavy fighting and the Russians declare the Georgian Soviet Socialist Republic.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
Day of death August 15, 1964
The temperature on August 15, 1964 was between 9.5 °C and 21.3 °C and averaged 15.7 °C. There was 0.1 mm of rain during 0.3 hours. There was 10.5 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
June 2 » The Palestine Liberation Organization (PLO) is formed.
June 11 » World War II veteran Walter Seifert attacks an elementary school in Cologne, Germany, killing at least eight children and two teachers and seriously injuring several more with a home-made flamethrower and a lance.
September 4 » Scotland's Forth Road Bridge near Edinburgh officially opens.
September 25 » The Mozambican War of Independence against Portugal begins.
September 27 » The British TSR-2 aircraft XR219 makes its maiden flight.
October 14 » Martin Luther King Jr. received the Nobel Peace Prize for combating racial inequality through nonviolence.
When copying data from this family tree, please include a reference to the origin: Irene Jolanda van der Meulen, "Family tree Ype Ypes (waaronder van der Meulen)", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ype-ypes/I7870.php : accessed February 12, 2026), "Wybe Bouma (-1964)".
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