The temperature on April 15, 1910 was between 6.7 °C and 15.6 °C and averaged 11.4 °C. There was 1.2 mm of rain. There was 8.4 hours of sunshine (61%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 1 » Captain David Beatty is promoted to Rear admiral, and becomes the youngest admiral in the Royal Navy (except for Royal family members) since Horatio Nelson.
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
November 14 » Aviator Eugene Burton Ely performs the first takeoff from a ship in Hampton Roads, Virginia, taking off from a makeshift deck on the USS Birmingham in a Curtiss pusher.
Day of marriage November 25, 1933
The temperature on November 25, 1933 was between -1.4 °C and 3.8 °C and averaged 1.7 °C. There was 4.0 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 5 » Mutiny on Royal Netherlands Navy warship HNLMS De Zeven Provinciën off the coast of Sumatra, Dutch East Indies.
March 15 » Austrian Chancellor Engelbert Dollfuss keeps members of the National Council from convening, starting the Austrofascist dictatorship.
April 1 » English cricketer Wally Hammond set a record for the highest individual Test innings of 336 not out, during a Test match against New Zealand.
May 18 » New Deal: President Franklin D. Roosevelt signs an act creating the Tennessee Valley Authority.
August 25 » The Diexi earthquake strikes Mao County, Sichuan, China and kills 9,000 people.
October 12 » The military Alcatraz Citadel becomes the civilian Alcatraz Federal Penitentiary.
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/I36627.php : accessed January 23, 2026), "Harmke Potter (1910-)".
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