Family tree Lassooij -Toussaint - Ammerlaan - Onderwater » Petrus (Piet) Onderwater (1917-1981)

Personal data Petrus (Piet) Onderwater 


Household of Petrus (Piet) Onderwater

He is married to Johanna Cornelia Kortekaas.

They got married on January 16, 1945 at Noordwijkerhout, he was 27 years old.


Child(ren):

  1. (Not public)
  2. (Not public)
  3. (Not public)
  4. (Not public)
  5. (Not public)
  6. (Not public)
  7. (Not public)
  8. (Not public)
  9. (Not public)
  10. (Not public)
  11. (Not public)

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Timeline Petrus (Piet) Onderwater

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Historical events

  • The temperature on December 3, 1917 was between -1.1 °C and 2.3 °C and averaged 0.5 °C. There was 6.6 mm of rain. There was 2.1 hours of sunshine (26%). The average windspeed was 5 Bft (very strong wind) 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 August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1917: Source: Wikipedia
    • The Netherlands had about 6.5 million citizens.
    • February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
    • March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
    • June 5 » World War I: Conscription begins in the United States as "Army registration day".
    • July 20 » World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
    • July 27 » World War I: The Allies reach the Yser Canal at the Battle of Passchendaele.
    • November 7 » The Gregorian calendar date of the October Revolution, which gets its name from the Julian calendar date of 25 October. On this date in 1917, the Bolsheviks storm the Winter Palace.
  • The temperature on January 16, 1945 was between -4.0 °C and 1.6 °C and averaged -0.5 °C. There was 0.1 mm of rain. There was 1.5 hours of sunshine (18%). 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 Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
  • In the year 1945: Source: Wikipedia
    • The Netherlands had about 9.2 million citizens.
    • March 7 » World War II: American troops seize the Ludendorff Bridge over the Rhine river at Remagen.
    • March 16 » World War II: The Battle of Iwo Jima ended, but small pockets of Japanese resistance persisted.
    • April 13 » World War II: German troops kill more than 1,000 political and military prisoners in Gardelegen, Germany.
    • August 6 » World War II: Hiroshima, Japan is devastated when the atomic bomb "Little Boy" is dropped by the United States B-29 Enola Gay. Around 70,000 people are killed instantly, and some tens of thousands die in subsequent years from burns and radiation poisoning.
    • December 12 » The People's Republic of Korea is outlawed in the South, by order of the United States Army Military Government in Korea.
    • December 24 » Five of nine children become missing after their home in Fayetteville, West Virginia, is burned down.
  • The temperature on February 13, 1981 was between -4.1 °C and 2.2 °C and averaged -1.0 °C. There was 8.6 hours of sunshine (88%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
  • In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
  • In the year 1981: Source: Wikipedia
    • The Netherlands had about 14.2 million citizens.
    • January 20 » Ronald Reagan is inaugurated the 40th President of the United States of America. Twenty minutes later, Iran releases 52 American hostages.
    • February 23 » In Spain, Antonio Tejero attempts a coup d'état by capturing the Spanish Congress of Deputies.
    • March 11 » Hundreds of students protest in the University of Pristina in Kosovo, then part of Yugoslavia, to give their province more political rights. The protests then became a nationwide movement.
    • April 9 » The U.S. Navy nuclear submarine USSGeorge Washington accidentally collides with the Nissho Maru, a Japanese cargo ship, sinking it.
    • October 9 » President François Mitterrand abolishes capital punishment in France.
    • December 31 » A coup d'état in Ghana removes President Hilla Limann's PNP government and replaces it with the Provisional National Defence Council led by Flight lieutenant Jerry Rawlings.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Onderwater


When copying data from this family tree, please include a reference to the origin:
Monique Lassooij, "Family tree Lassooij -Toussaint - Ammerlaan - Onderwater", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lassooij/R233.php : accessed February 6, 2026), "Petrus (Piet) Onderwater (1917-1981)".