Family tree Weening » Johannes Postema Siccama (1911-1943)

Personal data Johannes Postema Siccama 


Household of Johannes Postema Siccama

He is married to Hendrikje Zwarteveen.

They got married on September 11, 1941 at Apeldoorn (Gd), he was 30 years old.Source 2

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Timeline Johannes Postema Siccama

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Ancestors (and descendant) of Johannes Postema Siccama

Johannes Siccama
1853-1922
Trijntje Pieters Feitsma
1857-1917
Ritske Douwes van der Kooi
1855-1936
Aagje de Boer
1856-1911

Johannes Postema Siccama
1911-1943

1941

Hendrikje Zwarteveen
1912-????


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Sources

  1. Geboorteregister 1911, Kollumerland c.a.
  2. (Not public)

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Historical events

Birthday February 1, 1911

  • The temperature on February 1, 1911 was between -8.0 °C and 1.7 °C and averaged -2.1 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1911: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
    • May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
    • August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
    • September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
    • October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
    • November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.

Day of marriage September 11, 1941

  • The temperature on September 11, 1941 was between 10.6 °C and 18.2 °C and averaged 14.1 °C. There was 7.7 mm of rain during 7.2 hours. There was 4.2 hours of sunshine (32%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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 September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1941: Source: Wikipedia
    • The Netherlands had about 8.9 million citizens.
    • January 19 » World War II: HMSGreyhound and other escorts of convoy AS-12 sink Italian submarine Neghelli with all hands 40 miles (64km) northeast of Falkonera.
    • January 22 » World War II: British and Commonwealth troops capture Tobruk from Italian forces during Operation Compass.
    • March 7 » Günther Prien and the crew of German submarine U-47, one of the most successful U-boats of World War II, disappear without a trace.
    • April 6 » World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece).
    • September 27 » The Greek National Liberation Front is established with Georgios Siantos as acting leader.
    • December 11 » World War II: Poland declares war on the Empire of Japan.

Day of death June 15, 1943

  • The temperature on June 15, 1943 was between 7.9 °C and 17.0 °C and averaged 11.9 °C. There was 8.7 mm of rain during 4.8 hours. There was 4.9 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1943: Source: Wikipedia
    • The Netherlands had about 9.1 million citizens.
    • January 14 » World War II: Franklin D. Roosevelt and Winston Churchill begin the Casablanca Conference to discuss strategy and study the next phase of the war.
    • January 18 » Warsaw Ghetto Uprising: The first uprising of Jews in the Warsaw Ghetto.
    • June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
    • September 9 » World War II: The Allies land at Salerno and Taranto, Italy.
    • October 13 » World War II: Marshal Pietro Badoglio announces that Italy has officially declared war on Germany.
    • December 15 » World War II: The Battle of Arawe begins during the New Britain campaign.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Siccama

  • View the information that Genealogie Online has about the surname Siccama.
  • Check the information Open Archives has about Siccama.
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The Family tree Weening publication was prepared by .contact the author
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/I167664.php : accessed October 23, 2026), "Johannes Postema Siccama (1911-1943)".