Family tree Jacobs » Hendrikus Leonardus Semler (1906-)

Personal data Hendrikus Leonardus Semler 


Household of Hendrikus Leonardus Semler

He is married to Catharina Hendrika Hendriks.

They got married on December 20, 1939 at 's-Hertogenbosch, he was 33 years old.

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Timeline Hendrikus Leonardus Semler

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Ancestors (and descendant) of Hendrikus Leonardus Semler


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Historical events

  • 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
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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.
  • In the year 1906: Source: Wikipedia
    • The Netherlands had about 5.5 million citizens.
    • February 11 » Pope Pius X publishes the encyclical Vehementer Nos.
    • March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
    • March 22 » The first England vs France rugby union match is played at Parc des Princes in Paris.
    • April 7 » The Algeciras Conference gives France and Spain control over Morocco.
    • June 30 » The United States Congress passes the Meat Inspection Act and Pure Food and Drug Act.
    • November 9 » Theodore Roosevelt is the first sitting President of the United States to make an official trip outside the country. He did so to inspect progress on the Panama Canal.
  • 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
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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.
  • In the year 1939: Source: Wikipedia
    • The Netherlands had about 8.7 million citizens.
    • February 27 » United States labor law: The U.S. Supreme Court rules in NLRB v. Fansteel Metallurgical Corp. that the National Labor Relations Board has no authority to force an employer to rehire workers who engage in sit-down strikes.
    • March 22 » Germany takes Memel from Lithuania.
    • May 23 » The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
    • August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
    • August 23 » World War II: Nazi Germany and the Soviet Union sign a non-aggression treaty, the Molotov–Ribbentrop Pact. In a secret addition to the pact, the Baltic states, Finland, Romania, and Poland are divided between the two nations.
    • December 27 » The 7.8 Mw  Erzincan earthquake shakes eastern Turkey with a maximum Mercalli intensity of XI (Extreme). At least 32,700 people were killed.


Same birth/death day

Source: Wikipedia


About the surname Semler

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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 2, 2026), "Hendrikus Leonardus Semler (1906-)".