Family tree Opperman » Petrus Josephus Wolff (1887-1917)

Personal data Petrus Josephus Wolff 


Household of Petrus Josephus Wolff

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Timeline Petrus Josephus Wolff

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Ancestors (and descendant) of Petrus Josephus Wolff

Petrus Josephus Wolff
1887-1917


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    Relationship Petrus Josephus Wolff



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    Sources

    1. BS Voorschoten (via gemeente-archief Wassenaar), akte 91
    2. BS Leiden, akte 23

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    Historical events

    • The temperature on December 16, 1887 was about 8.8 °C. There was 0.2 mm of rain. The air pressure was 101 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 95%. 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 year 1887: Source: Wikipedia
      • The Netherlands had about 4.5 million citizens.
      • February 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
      • April 10 » On Easter Sunday, Pope Leo XIII authorizes the establishment of the Catholic University of America.
      • April 28 » A week after being arrested by the Prussian Secret Police, French police inspector Guillaume Schnaebelé is released on order of William I, German Emperor, defusing a possible war.
      • June 8 » Herman Hollerith applies for US patent #395,781 for the 'Art of Compiling Statistics', which was his punched card calculator.
      • June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
      • November 13 » Bloody Sunday clashes in central London.
    • The temperature on January 7, 1917 was between -2.2 °C and 4.9 °C and averaged 1.7 °C. There was 0.2 mm of rain. There was 2.5 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 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 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
      • March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
      • May 18 » World War I: The Selective Service Act of 1917 is passed, giving the President of the United States the power of conscription.
      • September 26 » World War I: The Battle of Polygon Wood begins.
      • November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
      • December 18 » The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
    

    Same birth/death day

    Source: Wikipedia

    Source: Wikipedia


    About the surname Wolff

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    When copying data from this family tree, please include a reference to the origin:
    Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4134.php : accessed January 19, 2026), "Petrus Josephus Wolff (1887-1917)".