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.
March 31 » The Intercollegiate Athletic Association of the United States (later the National Collegiate Athletic Association) is established to set rules for college sports in the United States.
April 8 » Auguste Deter, the first person to be diagnosed with Alzheimer's disease, dies.
June 7 » Cunard Line's RMSLusitania is launched from the John Brown Shipyard, Glasgow (Clydebank), Scotland.
June 25 » Pittsburgh, Pennsylvania millionaire Harry Thaw shoots and kills prominent architect Stanford White.
June 26 » The first Grand Prix motor race is held at Le Mans.
September 7 » Alberto Santos-Dumont flies his 14-bis aircraft at Bagatelle, France for the first time successfully.
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.
February 28 » The erroneous word "dord" is discovered in the Webster's New International Dictionary, Second Edition, prompting an investigation.
March 2 » Cardinal Eugenio Pacelli is elected Pope and takes the name Pius XII.
March 16 » From Prague Castle, Hitler proclaims Bohemia and Moravia a German protectorate.
March 26 » Spanish Civil War: Nationalists begin their final offensive of the war.
May 17 » The Columbia Lions and the Princeton Tigers play in the United States' first televised sporting event, a collegiate baseball game in New York City.
September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
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 1, 2026), "Hendrikus Leonardus Semler (1906-)".
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