The temperature on March 16, 1915 was between 4.6 °C and 8.7 °C and averaged 6.8 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » German strategic bombing during World War I: German zeppelins bomb the towns of Great Yarmouth and King's Lynn in the United Kingdom killing at least 20 people, in the first major aerial bombardment of a civilian target.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
July 1 » Leutnant Kurt Wintgens of the then-named German Deutsches Heer's Fliegertruppe army air service achieves the first known aerial victory with a synchronized machine-gun armed fighter plane, the Fokker M.5K/MG Eindecker.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
Day of marriage October 31, 1935
The temperature on October 31, 1935 was between 9.4 °C and 15.0 °C and averaged 12.4 °C. There was 0.2 mm of rain during 0.3 hours. There was -0.1 hours of sunshine (0%). The average windspeed was 6 Bft (strong wind) and was prevailing from the south-southwest. Source: KNMI
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 20 » Caroline Mikkelsen becomes the first woman to set foot in Antarctica.
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
February 28 » DuPont scientist Wallace Carothers invents nylon.
October 20 » The Long March, a mammoth retreat undertaken by the armed forces of the Chinese Communist Party a year prior, ends.
November 3 » George II of Greece regains his throne through a popular, though possibly fixed, plebiscite.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I30569.php : accessed February 23, 2026), "Gerritdina Aleida Bonhof (1915-)".
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