The temperature on August 24, 1911 was between 9.1 °C and 24.7 °C and averaged 18.0 °C. There was 9.8 hours of sunshine (69%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 29 » Italy declares war on the Ottoman Empire.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
Day of death August 21, 1961
The temperature on August 21, 1961 was between 14.1 °C and 17.2 °C and averaged 15.8 °C. There was 15.2 mm of rain during 5.6 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
October 31 » In the Soviet Union, Joseph Stalin's body is removed from the Lenin's Mausoleum, also known as the Lenin Tomb.
December 19 » India annexes Daman and Diu, part of Portuguese India.
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/I167834.php : accessed October 24, 2026), "Melle Visser (1911-1961)".
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