March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
July 29 » The First Hague Convention is signed.
Day of marriage December 15, 1922
The temperature on December 15, 1922 was between -1.3 °C and 4.2 °C and averaged 1.6 °C. There was 0.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 26 » The German Social Democratic Party is founded in Poland.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
July 11 » The Hollywood Bowl opens.
August 26 » Greco-Turkish War (1919–22): Turkish army launched what has come to be known to the Turks as the "Great Offensive" (Büyük Taarruz). The major Greek defense positions were overrun.
August 27 » Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Kingdom of Greece.
September 11 » The Treaty of Kars is ratified in Yerevan, Armenia.
Day of death May 30, 1974
The temperature on May 30, 1974 was between 0.6 °C and 16.6 °C and averaged 10.7 °C. There was 13.0 hours of sunshine (80%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 19 » China gains control over all the Paracel Islands after a military engagement between the naval forces of China and South Vietnam
April 27 » Ten thousand march in Washington, D.C., calling for the impeachment of U.S. President Richard Nixon.
May 1 » The Argentine terrorist organization Montoneros is expelled from Plaza de Mayo by president Juan Perón.
May 17 » Police in Los Angeles raid the Symbionese Liberation Army's headquarters, killing six members, including Camilla Hall.
July 23 » The Greek military junta collapses, and former Prime Minister Konstantinos Karamanlis is invited to lead the new government, beginning Greece's metapolitefsi era.
September 15 » Air Vietnam Flight 706 is hijacked, then crashes while attempting to land with 75 on board.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I341600.php : accessed March 17, 2026), "Pieter Slabber (1899-1974)".
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