March 6 » Bayer registers "Aspirin" as a trademark.
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.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
November 2 » The Boers begin their 118-day siege of British-held Ladysmith during the Second Boer War.
Day of marriage April 14, 1921
The temperature on April 14, 1921 was between 2.9 °C and 9.4 °C and averaged 6.4 °C. There was 10.2 mm of rain. There was 4.6 hours of sunshine (33%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. 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.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
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.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
October 5 » The World Series is the first to be broadcast on radio.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
Day of death July 5, 1954
The temperature on July 5, 1954 was between 8.2 °C and 17.2 °C and averaged 12.2 °C. There was 3.4 mm of rain during 2.9 hours. There was 6.6 hours of sunshine (40%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I14982.php : accessed February 7, 2026), "Maria Catharina Cornelia van Nunen (1899-1954)".
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