The temperature on February 16, 1906 was between 0.4 °C and 6.4 °C and averaged 3.6 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 18 » Édouard de Laveleye forms the Belgian Olympic Committee in Brussels.
April 18 » An earthquake and fire destroy much of San Francisco, California.
August 5 » Persian Constitutional Revolution: Mozaffar ad-Din Shah Qajar, King of Iran, agrees to convert the government to a constitutional monarchy.
September 24 » U.S. President Theodore Roosevelt proclaims Devils Tower in Wyoming as the nation's first National Monument.
October 11 » San Francisco sparks a diplomatic crisis between the United States and Japan by ordering segregated schools for Japanese students.
December 31 » Mozaffar ad-Din Shah Qajar signs the Persian Constitution of 1906.
Day of marriage December 20, 1939
The temperature on December 20, 1939 was between -7.6 °C and 2.6 °C and averaged -1.8 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
January 26 » Spanish Civil War: Catalonia Offensive: Troops loyal to nationalist General Francisco Franco and aided by Italy take Barcelona.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
May 3 » The All India Forward Bloc is formed by Netaji Subhas Chandra Bose.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
September 22 » World War II: A joint German–Soviet military parade in Brest-Litovsk is held to celebrate the successful invasion of Poland.
December 2 » New York City's LaGuardia Airport opens.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I69698.php : accessed February 7, 2026), "Hendrikus Leonardus Semler (1906-)".
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