March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
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.
Day of death July 19, 1969
The temperature on July 19, 1969 was between 8.6 °C and 23.9 °C and averaged 17.8 °C. There was 0.1 mm of rain during 0.1 hours. There was 8.6 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Jan Willem Poots, "Poots family tree", database, Genealogy Online (https://www.genealogieonline.nl/poots-stamboom/I502425.php : accessed February 7, 2026), "Balthazar Mekke (1899-1969)".
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