The temperature on May 19, 1889 was about 15.3 °C. There was 0.4 mm of rain. The air pressure was 6 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage April 11, 1914
The temperature on April 11, 1914 was between 8.0 °C and 18.1 °C and averaged 11.8 °C. There was 0.7 mm of rain. There was 2.0 hours of sunshine (15%). 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.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
August 15 » A servant of American architect Frank Lloyd Wright murders seven people and sets fire to the living quarters of Wright's Wisconsin home, Taliesin.
August 15 » World War I: Beginning of the Battle of Cer, the first Allied victory of World War I.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
September 14 » HMASAE1, the Royal Australian Navy's first submarine, was lost at sea with all hands near East New Britain, Papua New Guinea.
December 15 » World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
Day of death July 31, 1969
The temperature on July 31, 1969 was between 17.1 °C and 21.6 °C and averaged 19.2 °C. There was 2.0 mm of rain during 0.2 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
May 10 » Vietnam War: The Battle of Dong Ap Bia begins with an assault on Hill 937. It will ultimately become known as Hamburger Hill.
May 13 » May 13 Incident involving sectarian violence in Kuala Lumpur, Malaysia.
May 26 » Apollo program: Apollo 10 returns to Earth after a successful eight-day test of all the components needed for the forthcoming first manned moon landing.
July 20 » A cease fire is announced between Honduras and El Salvador, six days after the beginning of the "Football War".
August 21 » Gap Inc. opened their first store in San Francisco, California.
October 21 » The 1969 Somali coup d'état establishes a Marxist–Leninist administration.
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/I195091.php : accessed October 7, 2026), "Jan Veenstra (1889-1969)".
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