Family tree Petit » Jacob Cohen de Heer (1912-1942)

Personal data Jacob Cohen de Heer 


Household of Jacob Cohen de Heer

He has/had a relationship with Sientje van der Sluijs.


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Timeline Jacob Cohen de Heer

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Ancestors (and descendant) of Jacob Cohen de Heer

Rosetta Roos
1851-1916

Jacob Cohen de Heer
1912-1942



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Historical events

  • The temperature on September 23, 1912 was between 4.2 °C and 16.6 °C and averaged 10.5 °C. There was 9.0 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1912: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
    • March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
    • July 30 » Japan's Emperor Meiji dies and is succeeded by his son Yoshihito, who is now known as the Emperor Taishō.
    • October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
    • October 17 » Bulgaria, Greece and Serbia declare war on the Ottoman Empire, joining Montenegro in the First Balkan War.
    • October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
  • The temperature on September 30, 1942 was between 11.2 °C and 20.2 °C and averaged 15.2 °C. There was 0.3 mm of rain during 0.3 hours. There was 0.9 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 1942: Source: Wikipedia
    • The Netherlands had about 9.0 million citizens.
    • March 20 » World War II: General Douglas MacArthur, at Terowie, South Australia, makes his famous speech regarding the fall of the Philippines, in which he says: "I came out of Bataan and I shall return".
    • March 26 » World War II: The first female prisoners arrive at Auschwitz concentration camp in German-occupied Poland.
    • July 1 » World War II: First Battle of El Alamein.
    • July 28 » World War II: Soviet leader Joseph Stalin issues Order No. 227. In response to alarming German advances, all those who retreat or otherwise leave their positions without orders to do so are to be tried in a military court, with punishment ranging from duty in a shtrafbat battalion, imprisonment in a Gulag, or execution.
    • August 6 » Queen Wilhelmina of the Netherlands becomes the first reigning queen to address a joint session of the United States Congress.
    • August 19 » World War II: Operation Jubilee: The 2nd Canadian Infantry Division leads an amphibious assault by allied forces on Dieppe, France and fails, many Canadians are killed or captured. The operation was intended to develop and try new amphibious landing tactics for the coming full invasion in Normandy.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Heer

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The Family tree Petit publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
A. Petit, "Family tree Petit", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-petit/I25841.php : accessed February 27, 2026), "Jacob Cohen de Heer (1912-1942)".