Family tree Jacobs » Jan Willem Hamer (1901-)

Personal data Jan Willem Hamer 


Household of Jan Willem Hamer

(1) He is married to Derkje Muller.

They got married on June 7, 1922 at Arnhem, he was 20 years old.


(2) He is married to Geertruida Muller.

They got married on October 17, 1934 at Arnhem, he was 33 years old.

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Timeline Jan Willem Hamer

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Ancestors (and descendant) of Jan Willem Hamer

Jan Willem Hamer
1901-????

(1) 1922

Derkje Muller
1902-????

(2) 1934

Geertruida Muller
1905-????


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Historical events

Birthday August 5, 1901

  • The temperature on August 5, 1901 was between 13.7 °C and 21.0 °C and averaged 16.7 °C. There was 4.9 hours of sunshine (32%). 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, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
  • In the year 1901: Source: Wikipedia
    • The Netherlands had about 5.2 million citizens.
    • January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
    • February 20 » The legislature of Hawaii Territory convenes for the first time.
    • March 1 » The Australian Army is formed.
    • May 9 » Australia opens its first national parliament in Melbourne.
    • December 10 » The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
    • December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.

Day of marriage October 17, 1934

  • The temperature on October 17, 1934 was between 2.4 °C and 10.5 °C and averaged 6.8 °C. There was 11.4 mm of rain during 4.7 hours. There was 1.2 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1934: Source: Wikipedia
    • The Netherlands had about 8.3 million citizens.
    • January 15 » The 8.0 Mw  Nepal–Bihar earthquake strikes Nepal and Bihar with a maximum Mercalli intensity of XI (Extreme), killing an estimated 6,000–10,700 people.
    • February 2 » The Export-Import Bank of the United States is incorporated.
    • February 6 » Far-right leagues rally in front of the Palais Bourbon in an attempted coup against the French Third Republic, creating a political crisis in France.
    • April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
    • November 30 » The LNER Class A3 4472 Flying Scotsman becomes the first steam locomotive to be authenticated as reaching 100mph.
    • December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.


Same birth/death day

Source: Wikipedia


About the surname Hamer

  • View the information that Genealogie Online has about the surname Hamer.
  • Check the information Open Archives has about Hamer.
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The Family tree Jacobs publication was prepared by .contact the author
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/I87171.php : accessed May 7, 2025), "Jan Willem Hamer (1901-)".