The temperature on September 17, 1880 was about 12.8 °C. There was 0.8 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 96%. Source: KNMI
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.
February 13 » Thomas Edison observes Thermionic emission.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 28 » Australian bushranger Ned Kelly is captured at Glenrowan.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
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.
Day of marriage February 11, 1915
The temperature on February 11, 1915 was between -0.3 °C and 4.9 °C and averaged 2.8 °C. There was 3.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 21 » Kiwanis International is founded in Detroit.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
July 28 » The United States begins a 19-year occupation of Haiti.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
Day of death July 26, 1931
The temperature on July 26, 1931 was between 13.9 °C and 18.5 °C and averaged 15.7 °C. There was 10.1 mm of rain during 5.2 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
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.
August 24 » France and the Soviet Union sign a neutrality pact.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 1 » The George Washington Bridge in the United States, linking New Jersey and New York, is opened.
November 22 » Al-Mina'a SC is founded in Iraq.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
December 11 » Statute of Westminster 1931: The British Parliament establishes legislative equality between the UK and the Dominions of the Commonwealth—Australia, Canada, Newfoundland, New Zealand, South Africa, and Ireland.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I43408.php : accessed October 14, 2026), "Johannes de Boer (1880-1931)".
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