The temperature on January 1, 1889 was about -2.7 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. Source: KNMI
February 11 » Meiji Constitution of Japan is adopted.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of marriage August 4, 1919
The temperature on August 4, 1919 was between 10.5 °C and 18.0 °C and averaged 14.1 °C. There was 2.9 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
February 21 » German socialist Kurt Eisner is assassinated. His death results in the establishment of the Bavarian Soviet Republic and parliament and government fleeing Munich, Germany.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
May 15 » The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job.
August 8 » The Anglo-Afghan Treaty of 1919 is signed. It establishes peaceful relations between Afghanistan and the UK, and confirms the Durand line as the mutual border. In return, the UK is no longer obligated to subsidize the Afghan government.
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
December 21 » American anarchist Emma Goldman is deported to Russia.
When copying data from this family tree, please include a reference to the origin: Peter Menting, "Family tree Menting", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-menting/I26154.php : accessed February 20, 2026), "Leendert Janssen (1889-????)".
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