March 6 » Bayer registers "Aspirin" as a trademark.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of marriage October 31, 1919
The temperature on October 31, 1919 was between 2.5 °C and 6.1 °C and averaged 4.3 °C. There was -0.1 hours of sunshine (0%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
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.
September 18 » The Netherlands gives women the right to vote.
October 3 » Cincinnati Reds pitcher Adolfo Luque becomes the first Latin player to appear in a World Series.
November 11 » The Industrial Workers of the World attack an Armistice Day parade in Centralia, Washington, ultimately resulting in the deaths of five people.
Day of death February 14, 1991
The temperature on February 14, 1991 was between -11.1 °C and 1.7 °C and averaged -2.6 °C. There was 0.6 mm of rain during 1.6 hours. The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 9 » Voters in Lithuania vote for independence.
April 29 » The 7.0 Mw Racha earthquake affects Georgia with a maximum MSK intensity of IX (Destructive), killing 270 people.
May 18 » Northern Somalia declares independence from the rest of Somalia as the Republic of Somaliland but is not recognized by the international community.
June 3 » Mount Unzen erupts in Kyūshū, Japan, killing 43 people, all of them either researchers or journalists.
August 30 » Dissolution of the Soviet Union: Azerbaijan declares independence from Soviet Union.
October 29 » The American Galileo spacecraft makes its closest approach to 951 Gaspra, becoming the first probe to visit an asteroid.
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/I112182.php : accessed October 3, 2026), "Klaas de Haan (1899-1991)".
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