Family tree Klavers » Johann Hermann Dummer (1888-1965)

Personal data Johann Hermann Dummer 


Household of Johann Hermann Dummer

He is married to Adelheid Lake.

They got married on June 4, 1921 at Vlagtwedde, Groningen, he was 33 years old.Source 1


Child(ren):

  1. Johann Bernard Dummer  ± 1922-± 1992 
  2. Gebina Dummer  1924-< 2023

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Timeline Johann Hermann Dummer

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Ancestors (and descendant) of Johann Hermann Dummer

Johann Hermann Hemmen
1836-1897
Anna Maria ter Veen
1840-1871
Bernhard Dummer
± 1862-????
Margaretha Hemmen
± 1866-????

Johann Hermann Dummer
1888-1965

1921

Adelheid Lake
1891-1973

Johann Bernard Dummer
± 1922-± 1992
Gebina Dummer
1924-< 2023

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Sources

  1. (Not public)

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Historical events

Birthday April 28, 1888

  • The temperature on April 28, 1888 was about 12.8 °C. The air pressure was 9 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
  • In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
  • In the year 1888: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • March 15 » Start of the Anglo-Tibetan War of 1888.
    • March 23 » In England, The Football League, the world's oldest professional association football league, meets for the first time.
    • May 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
    • August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
    • October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
    • October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).

Day of marriage June 4, 1921

  • The temperature on June 4, 1921 was between 15.1 °C and 23.7 °C and averaged 19.1 °C. There was 8.5 hours of sunshine (52%). 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 September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1921: Source: Wikipedia
    • The Netherlands had about 6.9 million citizens.
    • January 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
    • March 31 » The Royal Australian Air Force is formed.
    • April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
    • May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
    • May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
    • September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.

Day of death January 5, 1965

  • The temperature on January 5, 1965 was between 0.4 °C and 4.5 °C and averaged 2.8 °C. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from July 24, 1963 to April 14, 1965 the cabinet Marijnen, with Mr. V.G.M. Marijnen (KVP) as prime minister.
  • In The Netherlands , there was from April 14, 1965 to November 22, 1966 the cabinet Cals, with Mr. J.M.L.Th. Cals (KVP) as prime minister.
  • In the year 1965: Source: Wikipedia
    • The Netherlands had about 12.2 million citizens.
    • February 12 » Malcolm X visits Smethwick in Birmingham following the racially-charged 1964 United Kingdom general election.
    • February 15 » A new red-and-white maple leaf design is adopted as the flag of Canada, replacing the old Canadian Red Ensign banner.
    • February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
    • March 15 » President Lyndon B. Johnson, responding to the Selma crisis, tells U.S. Congress "We shall overcome" while advocating the Voting Rights Act.
    • April 9 » Astrodome opens. First indoor baseball game is played.
    • September 6 » India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Dummer

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The Family tree Klavers publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I548131.php : accessed January 20, 2026), "Johann Hermann Dummer (1888-1965)".