Family tree Eilander » Jan Leidekker (1908-1981)

Personal data Jan Leidekker 


Household of Jan Leidekker

(1) He is married to Janna Potkamp.

They got married on July 29, 1937, he was 28 years old.


(2) He is married to Henderika Luitina Haveman.

They got married after 1964.

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Timeline Jan Leidekker

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Ancestors (and descendant) of Jan Leidekker

Jan Hekkert
1845-1898

Jan Leidekker
1908-1981

(1) 1937

Janna Potkamp
1907-1964

(2) > 1964

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Historical events

  • The temperature on August 21, 1908 was between 13.0 °C and 22.1 °C and averaged 17.4 °C. There was 1.4 mm of rain. There was 6.4 hours of sunshine (45%). 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 August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
  • 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 1908: Source: Wikipedia
    • The Netherlands had about 5.7 million citizens.
    • April 8 » Harvard University votes to establish the Harvard Business School.
    • May 26 » The first major commercial oil strike in the Middle East was made at Masjed Soleyman in southwest Persia. The rights to the resource were quickly acquired by the Anglo-Persian Oil Company.
    • July 23 » The Second Constitution accepted by the Ottomans.
    • August 8 » Wilbur Wright makes his first flight at a racecourse at Le Mans, France. It is the Wright Brothers' first public flight.
    • October 1 » Ford Model T automobiles are offered for sale at a price of US$825.
    • October 6 » The Bosnian crisis erupts when Austria-Hungary formally annexes Bosnia and Herzegovina.
  • The temperature on July 29, 1937 was between 6.3 °C and 17.0 °C and averaged 13.5 °C. There was 0.1 mm of rain during 0.1 hours. The average windspeed was 2 Bft (weak 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 July 31, 1935 to June 24, 1937 the cabinet Colijn III, with Dr. H. Colijn (ARP) as prime minister.
  • In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
  • In the year 1937: Source: Wikipedia
    • The Netherlands had about 8.6 million citizens.
    • April 12 » Sir Frank Whittle ground-tests the first jet engine designed to power an aircraft, at Rugby, England.
    • April 26 » Spanish Civil War: Guernica, Spain, is bombed by German Luftwaffe.
    • June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
    • July 2 » Amelia Earhart and navigator Fred Noonan are last heard from over the Pacific Ocean while attempting to make the first equatorial round-the-world flight.
    • October 2 » Rafael Trujillo orders the execution of Haitians living in the northwestern region of the Dominican Republic.
    • December 11 » Second Italo-Ethiopian War: Italy leaves the League of Nations.
  • The temperature on January 5, 1981 was between 0.2 °C and 4.5 °C and averaged 1.8 °C. There was 0.6 mm of rain during 1.2 hours. There was 3.7 hours of sunshine (47%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
    • February 23 » In Spain, Antonio Tejero attempts a coup d'état by capturing the Spanish Congress of Deputies.
    • May 21 » The Italian government releases the membership list of Propaganda Due, an illegal pseudo-Masonic lodge that was implicated in numerous Italian crimes and mysteries.
    • September 15 » The Senate Judiciary Committee unanimously approves Sandra Day O'Connor to become the first female justice of the Supreme Court of the United States.
    • September 18 » The Assemblée Nationale votes to abolish capital punishment in France.
    • October 9 » President François Mitterrand abolishes capital punishment in France.
    • December 17 » American Brigadier General James L. Dozier is abducted by the Red Brigades in Verona, Italy.
  • The temperature on January 9, 1981 was between 2.7 °C and 7.0 °C and averaged 5.1 °C. There was 11.0 mm of rain during 13.3 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
    • February 13 » A series of sewer explosions destroys more than two miles of streets in Louisville, Kentucky.
    • April 14 » STS-1: The first operational Space Shuttle, Columbia completes its first test flight.
    • June 27 » The Central Committee of the Communist Party of China issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
    • July 29 » After impeachment on June 21, Abolhassan Banisadr flees with Massoud Rajavi to Paris, in an Iranian Air Force Boeing 707, piloted by Colonel Behzad Moezzi, to form the National Council of Resistance of Iran.
    • August 30 » President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran.
    • October 27 » Cold War: The Soviet submarine S-363 runs aground on the east coast of Sweden.


Same birth/death day

Source: Wikipedia

  • 1904 » Count Basie, American pianist, composer, and bandleader († 1984)
  • 1905 » Bipin Gupta, Indian actor and producer († 1981)
  • 1906 » Friz Freleng, American animator, director, and producer († 1995)
  • 1907 » P. Jeevanandham, Indian lawyer and politician († 1963)
  • 1909 » Nikolay Bogolyubov, Russian mathematician and physicist († 1992)
  • 1912 » Toe Blake, Canadian ice hockey player and coach († 1995)

Source: Wikipedia


About the surname Leidekker


The Family tree Eilander publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1097396003.php : accessed January 10, 2026), "Jan Leidekker (1908-1981)".