February 6 » Spanish–American War: The Treaty of Paris, a peace treaty between the United States and Spain, is ratified by the United States Senate.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
October 11 » The Second Boer War erupts in South Africa between the British-ruled Cape Colony, and the Boer-ruled Transvaal and Orange Free State.
November 28 » The Second Boer War: a British column is engaged by Boer forces at the Battle of Modder River; although the Boers withdraw, the British suffer heavy casualties.
November 29 » FC Barcelona is founded by Catalan, Spanish and Englishmen. It later develops into one of Spanish football's most iconic and strongest teams.
Day of marriage May 30, 1924
The temperature on May 30, 1924 was between 10.5 °C and 18.7 °C and averaged 14.8 °C. There was 0.5 mm of rain. There was 5.7 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
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.
February 12 » George Gershwin's Rhapsody in Blue received its premiere in a concert titled "An Experiment in Modern Music", in Aeolian Hall, New York, by Paul Whiteman and his band, with Gershwin playing the piano.
March 25 » On the anniversary of Greek Independence, Alexandros Papanastasiou proclaims the Second Hellenic Republic.
May 8 » The Klaipėda Convention is signed formally incorporating Klaipėda Region (Memel Territory) into Lithuania.
July 24 » Themistoklis Sofoulis becomes Prime Minister of Greece.
September 17 » The Border Protection Corps is established in the Second Polish Republic for the defence of the eastern border against armed Soviet raids and local bandits.
December 20 » Adolf Hitler is released from Landsberg Prison.
Day of death July 20, 1972
The temperature on July 20, 1972 was between 18.8 °C and 31.4 °C and averaged 25.3 °C. There was 9.6 hours of sunshine (60%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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/I123385.php : accessed October 10, 2026), "Roelf Kamminga (1899-1972)".
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