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.
January 1 » Twenty-five nations adopt Sandford Fleming's proposal for standard time (and also, time zones).
January 3 » Sino-French War: Beginning of the Battle of Núi Bop
March 31 » The United Kingdom establishes the Bechuanaland Protectorate.
July 6 » Louis Pasteur successfully tests his vaccine against rabies on Joseph Meister, a boy who was bitten by a rabid dog.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
October 13 » The Georgia Institute of Technology is founded in Atlanta, Georgia.
Day of marriage June 13, 1919
The temperature on June 13, 1919 was between 8.3 °C and 14.6 °C and averaged 11.9 °C. There was 2.6 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
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 18 » Ignacy Jan Paderewski becomes Prime Minister of the newly independent Poland.
February 14 » The Polish–Soviet War begins.
May 1 » German troops enter Munich to suppress the Bavarian Soviet Republic.
June 23 » Estonian War of Independence: The decisive defeat of the Baltische Landeswehr in the Battle of Cēsis; this date is celebrated as Victory Day in Estonia.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
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/I34351.php : accessed February 1, 2026), "Hendrik Sonnenberg (1885-????)".
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