April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 1 » Canada and Bermuda are linked by telegraph cable.
September 25 » The United States Congress establishes Sequoia National Park.
October 1 » Yosemite National Park is established by the U.S. Congress.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of marriage March 27, 1918
The temperature on March 27, 1918 was between -3.2 °C and 3.4 °C and averaged 1.3 °C. There was 1.2 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
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 Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 24 » The Gregorian calendar is introduced in Russia by decree of the Council of People's Commissars effective February 14 (New Style).
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
May 29 » Armenia defeats the Ottoman Army in the Battle of Sardarabad.
July 4 » World War I: The Battle of Hamel, a successful attack by the Australian Corps against German positions near the town of Le Hamel on the Western Front.
December 1 » Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
December 14 » The 1918 United Kingdom general election occurs, the first where women were permitted to vote.
Day of death April 30, 1949
The temperature on April 30, 1949 was between 1.2 °C and 11.0 °C and averaged 6.6 °C. There was 0.1 mm of rain. There was 6.8 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I91328.php : accessed February 24, 2026), "Geurt van Plaggenhoef (1890-1949)".
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