Family tree Siegersma » Jan de Boer (1911-1971)

Personal data Jan de Boer 


Household of Jan de Boer

He is married to Johanna Hiemstra.

They got married.

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Timeline Jan de Boer

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Ancestors (and descendant) of Jan de Boer

Jan Louwen Bijkerk
1833-1894
Hendrikje Egberts de Vries
1840-1902
Meine de Boer
1869-1960

Jan de Boer
1911-1971


Johanna Hiemstra
1913-1987


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    Historical events

    Birthday July 29, 1911

    • The temperature on July 29, 1911 was between 17.5 °C and 30.4 °C and averaged 24.6 °C. There was 12.0 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
      • April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
      • May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
      • June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
      • July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
      • July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
      • October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.

    Day of death June 1, 1971

    • The temperature on June 1, 1971 was between 7.8 °C and 21.8 °C and averaged 16.5 °C. There was 14.8 hours of sunshine (90%). The almost cloudless was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 April 5, 1967 to Tuesday, July 6, 1971 the cabinet De Jong, with P.J.S. de Jong (KVP) as prime minister.
    • In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
    • In the year 1971: Source: Wikipedia
      • The Netherlands had about 13.1 million citizens.
      • February 20 » The United States Emergency Broadcast System is accidentally activated in an erroneous national alert.
      • August 10 » The Society for American Baseball Research is founded in Cooperstown, New York.
      • September 9 » The four-day Attica Prison riot begins, eventually resulting in 39 dead, most killed by state troopers retaking the prison.
      • September 15 » The first Greenpeace ship sets sail to protest against nuclear testing on Amchitka Island.
      • December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
      • December 4 » The Indian Navy attacks the Pakistan Navy and Karachi.
    

    Same birth/death day

    Source: Wikipedia

    Source: Wikipedia


    About the surname De Boer

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    • Check the information Open Archives has about De Boer.
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    The Family tree Siegersma publication was prepared by .contact the author
    When copying data from this family tree, please include a reference to the origin:
    Sake Siegersma, "Family tree Siegersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-siegersma/I897.php : accessed March 5, 2026), "Jan de Boer (1911-1971)".