April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage July 24, 1943
The temperature on July 24, 1943 was between 11.2 °C and 21.2 °C and averaged 15.7 °C. There was 5.8 hours of sunshine (36%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 17 » World War II: Greek submarine Papanikolis captures the 200-ton sailing vessel Agios Stefanos and mans her with part of her crew.
June 3 » In Los Angeles, California, white U.S. Navy sailors and Marines clash with Latino youths in the Zoot Suit Riots.
July 22 » World War II: Axis occupation forces violently disperse a massive protest in Athens, killing 22.
August 17 » World War II: The U.S. Eighth Air Force suffers the loss of 60 bombers on the Schweinfurt–Regensburg mission.
August 31 » USSHarmon, the first U.S. Navy ship to be named after a black person, is commissioned.
October 22 » World War II: In the Second firestorm raid on Germany, the RAF conducts an air raid on the town of Kassel, killing 10,000 and rendering 150,000 homeless.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I8437.php : accessed February 19, 2026), "Hemmo Damhoff (1897-????)".
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