The temperature on June 5, 1890 was about 17.1 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 10 » Wyoming is admitted as the 44th U.S. state.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
October 12 » Uddevalla Suffrage Association is formed.
Day of marriage September 26, 1918
The temperature on September 26, 1918 was between 6.9 °C and 15.8 °C and averaged 12.1 °C. There was 6.1 hours of sunshine (51%). The average windspeed was 4 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.
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 29 » Ukrainian–Soviet War: The Bolshevik Red Army, on its way to besiege Kiev, is met by a small group of military students at the Battle of Kruty.
April 20 » Manfred von Richthofen, a.k.a. The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
July 15 » World War I: The Second Battle of the Marne begins near the River Marne with a German attack.
October 8 » World War I: Corporal Alvin C. York kills 28 German soldiers and captures 132 for which he was awarded the Medal of Honor.
December 1 » Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
December 4 » U.S. President Woodrow Wilson sails for the World War I peace talks in Versailles, becoming the first US president to travel to Europe while in office.
Day of death May 10, 1966
The temperature on May 10, 1966 was between 5.6 °C and 13.8 °C and averaged 9.5 °C. There was 0.1 mm of rain. There was 1.5 hours of sunshine (10%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 31 » The Soviet Union launches the unmanned Luna 9 spacecraft as part of the Luna program.
March 1 » Venera 3 Soviet space probe crashes on Venus becoming the first spacecraft to land on another planet's surface.
March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
July 2 » France conducts its first nuclear weapon test in the Pacific, on Moruroa Atoll.
July 24 » Michael Pelkey makes the first BASE jump from El Capitan along with Brian Schubert. Both came out with broken bones. BASE jumping has now been banned from El Cap.
September 6 » Prime Minister Hendrik Verwoerd, the architect of apartheid, is stabbed to death in Cape Town, South Africa during a parliamentary meeting.
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I3199.php : accessed February 20, 2026), "Pieter Johannes Ducro (1890-1966)".
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