Family tree Koster Twijslerheide e.o. » Harm de Boer (1855-1931)

Personal data Harm de Boer 


Household of Harm de Boer

He is married to Trijntje Harts van der Wier.

They got married on November 20, 1880 at Marum, he was 25 years old.

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Timeline Harm de Boer

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Ancestors (and descendant) of Harm de Boer


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Historical events

  • The temperature on July 20, 1855 was about 16.0 °C. There was 1 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the west. The atmospheric humidity was 84%. Source: KNMI
  •  This page is only available in Dutch.
    De Republiek der Verenigde Nederlanden werd in 1794-1795 door de Fransen veroverd onder leiding van bevelhebber Charles Pichegru (geholpen door de Nederlander Herman Willem Daendels); de verovering werd vergemakkelijkt door het dichtvriezen van de Waterlinie; Willem V moest op 18 januari 1795 uitwijken naar Engeland (en van daaruit in 1801 naar Duitsland); de patriotten namen de macht over van de aristocratische regenten en proclameerden de Bataafsche Republiek; op 16 mei 1795 werd het Haags Verdrag gesloten, waarmee ons land een vazalstaat werd van Frankrijk; in 3.1796 kwam er een Nationale Vergadering; in 1798 pleegde Daendels een staatsgreep, die de unitarissen aan de macht bracht; er kwam een nieuwe grondwet, die een Vertegenwoordigend Lichaam (met een Eerste en Tweede Kamer) instelde en als regering een Directoire; in 1799 sloeg Daendels bij Castricum een Brits-Russische invasie af; in 1801 kwam er een nieuwe grondwet; bij de Vrede van Amiens (1802) kreeg ons land van Engeland zijn koloniën terug (behalve Ceylon); na de grondwetswijziging van 1805 kwam er een raadpensionaris als eenhoofdig gezag, namelijk Rutger Jan Schimmelpenninck (van 31 oktober 1761 tot 25 maart 1825).
  • From April 19, 1853 till July 1, 1856 the Netherlands had a cabinet Van Hall - Donker Curtius with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. D. Donker Curtius (conservatief-liberaal).
  • In the year 1855: Source: Wikipedia
    • The Netherlands had about 3.3 million citizens.
    • February 11 » Kassa Hailu is crowned Tewodros II, Emperor of Ethiopia.
    • February 22 » The Pennsylvania State University is founded in State College, Pennsylvania (as the Farmers' High School of Pennsylvania).
    • March 2 » Alexander II becomes Tsar of Russia.
    • June 1 » The American adventurer William Walker conquers Nicaragua.
    • August 1 » The first ascent of Monte Rosa, the second highest summit in the Alps.
    • November 16 » David Livingstone becomes the first European to see the Victoria Falls in what is now Zambia-Zimbabwe.
  • The temperature on November 20, 1880 was about 3.0 °C. The air pressure was 3 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 57%. 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 August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
  • In the year 1880: Source: Wikipedia
    • The Netherlands had about 4.0 million citizens.
    • January 27 » Thomas Edison receives a patent for his incandescent lamp.
    • February 13 » Thomas Edison observes Thermionic emission.
    • May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
    • June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
    • November 11 » Australian bushranger Ned Kelly is hanged at Melbourne Gaol.
    • December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
  • The temperature on January 24, 1931 was between 5.9 °C and 8.4 °C and averaged 6.5 °C. There was 4.1 mm of rain during 1.1 hours. There was 0.5 hours of sunshine (6%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-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 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
  • In the year 1931: Source: Wikipedia
    • The Netherlands had about 7.9 million citizens.
    • March 3 » The United States adopts The Star-Spangled Banner as its national anthem.
    • March 14 » Alam Ara, India's first talking film, is released.
    • April 14 » The Spanish Cortes deposes King Alfonso XIII and proclaims the Second Spanish Republic.
    • June 23 » Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
    • September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
    • October 17 » Al Capone is convicted of income tax evasion.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname De Boer

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When copying data from this family tree, please include a reference to the origin:
Tjitze Koster, "Family tree Koster Twijslerheide e.o.", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koster/I5708.php : accessed February 5, 2026), "Harm de Boer (1855-1931)".