Descendants Hemerik-Broekhuizen-Huner-Koper-Barink » Marinus de Graaf (1911-)

Personal data Marinus de Graaf 


Household of Marinus de Graaf

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Timeline Marinus de Graaf

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Ancestors (and descendant) of Marinus de Graaf


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Historical events

  • The temperature on January 22, 1911 was between -2.2 °C and 0.2 °C and averaged -0.6 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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 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.
    • January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
    • February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
    • May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
    • June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
    • July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
    • August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.

About the surname De Graaf

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When copying data from this family tree, please include a reference to the origin:
R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I29086.php : accessed January 25, 2026), "Marinus de Graaf (1911-)".