May 8 » The first games of the Italian football league system are played.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
October 14 » The steam ship SSMohegan sinks near the Lizard peninsula, Cornwall, killing 106.
December 18 » Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245mph (63.159km/h) in a Jeantaud electric car.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage June 23, 1921
The temperature on June 23, 1921 was between 7.6 °C and 19.1 °C and averaged 14.5 °C. There was 1.7 hours of sunshine (10%). 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.
January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
March 17 » The Second Polish Republic adopts the March Constitution.
March 31 » The Royal Australian Air Force is formed.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
Day of death May 15, 1991
The temperature on May 15, 1991 was between 4.6 °C and 10.7 °C and averaged 7.6 °C. There was 2.5 mm of rain during 4.1 hours. There was 1.8 hours of sunshine (11%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
January 17 » Gulf War: Operation Desert Storm begins early in the morning as aircraft strike positions across Iraq, it is also the first major combat sortie for the F-117. LCDR Scott Speicher's F/A-18C Hornet from VFA-81 is shot down by a Mig-25 and is the first American casualty of the War. Iraq fires eight Scud missiles into Israel in an unsuccessful bid to provoke Israeli retaliation.
January 20 » Sudan's government imposes Islamic law nationwide, worsening the civil war between the country's Muslim north and Christian south.
March 16 » The airplane carrying eight members of Reba McEntire's touring band crashed on the side of Otay Mountain.
May 31 » Bicesse Accords in Angola lay out a transition to multi-party democracy under the supervision of the United Nations' UNAVEM II mission.
September 17 » Estonia, North Korea, South Korea, Latvia, Lithuania, the Marshall Islands and Micronesia join the United Nations.
December 25 » Mikhail Gorbachev resigns as President of the Soviet Union (the union itself is dissolved the next day). Ukraine's referendum is finalized and Ukraine officially leaves the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Freek van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/van-loon-stamboom/I844.php : accessed February 18, 2026), "Dorothea Anna "Dora" van der Meer (1898-1991)".
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