The temperature on June 4, 1923 was between 6.3 °C and 14.2 °C and averaged 9.9 °C. There was 7.1 mm of rain. There was 4.4 hours of sunshine (27%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Greece becomes the last European country to adopt the Gregorian calendar.
April 15 » Insulin becomes generally available for use by people with diabetes.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
September 26 » The German government accepts the occupation of the Ruhr.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
Day of marriage July 24, 1952
The temperature on July 24, 1952 was between 9.7 °C and 18.7 °C and averaged 14.4 °C. There was 0.2 mm of rain during 0.3 hours. There was 5.6 hours of sunshine (35%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
May 3 » Lieutenant Colonels Joseph O. Fletcher and William P. Benedict of the United States land a plane at the North Pole.
September 1 » The Old Man and the Sea, the Pulitzer Prize-winning novel by Ernest Hemingway, is first published.
October 14 » Korean War: The Battle of Triangle Hill is the biggest and bloodiest battle of 1952.
October 20 » The Governor of Kenya declares a state of emergency and begins arresting hundreds of suspected leaders of the Mau Mau Uprising.
November 4 » The United States government establishes the National Security Agency, or NSA.
December 20 » A United States Air Force C-124 crashes and burns in Moses Lake, Washington killing 87.
Day of death October 13, 2006
The temperature on October 13, 2006 was between 4.7 °C and 17.9 °C and averaged 12.4 °C. There was -0.1 mm of rain. There was 5.2 hours of sunshine (48%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
March 10 » The Mars Reconnaissance Orbiter arrives at Mars.
March 21 » The social media site Twitter is founded.
May 12 » Mass unrest by the Primeiro Comando da Capital begins in São Paulo (Brazil), leaving at least 150 dead.
June 21 » Pluto's newly discovered moons are officially named Nix and Hydra.
July 17 » The 7.7 Mw Pangandaran tsunami earthquake severely affects the Indonesian island of Java, killing 668 people, and leaving more than 9,000 injured.
August 22 » Grigori Perelman is awarded the Fields Medal for his proof of the Poincaré conjecture in mathematics but refuses to accept the medal.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I219832.php : accessed October 10, 2026), "Jan Speerstra (1923-2006)".
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