March 18 » AFC Ajax Amsterdam, The Netherlands's biggest and most successful football club, was founded.
April 14 » The Exposition Universelle begins.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
May 26 » Thousand Days' War: The Colombian Conservative Party turns the tide of war in their favor with victory against the Colombian Liberal Party in the Battle of Palonegro.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
Day of marriage June 30, 1920
The temperature on June 30, 1920 was between 9.8 °C and 20.6 °C and averaged 16.5 °C. There was 4.3 mm of rain. There was 9.4 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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 League of Nations holds its first council meeting in Paris, France.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
January 28 » Foundation of the Spanish Legion.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
September 1 » The Fountain of Time opens as a tribute to the 100 years of peace between the United States and Great Britain following the Treaty of Ghent.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of death July 23, 1994
The temperature on July 23, 1994 was between 18.1 °C and 30.7 °C and averaged 24.0 °C. There was 10.5 hours of sunshine (66%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 1 » The North American Free Trade Agreement (NAFTA) comes into effect.
January 1 » The Zapatista Army of National Liberation initiates twelve days of armed conflict in the Mexican state of Chiapas.
January 25 » The spacecraft Clementine by BMDO and NASA is launched.
August 23 » Eugene Bullard, the only African American pilot in World War I, is posthumously commissioned as Second Lieutenant in the United States Air Force.
September 3 » Sino-Soviet split: Russia and the People's Republic of China agree to de-target their nuclear weapons against each other.
October 26 » Jordan and Israel sign a peace treaty.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I5331.php : accessed October 12, 2026), "MARIA AERTS (1900-1994)".
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