February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
March 6 » Bayer registers "Aspirin" as a trademark.
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 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
September 13 » Mackinder, Ollier and Brocherel make the first ascent of Batian (5,199 m - 17,058ft), the highest peak of Mount Kenya.
December 2 » Philippine–American War: The Battle of Tirad Pass, termed "The Filipino Thermopylae", is fought.
Day of death July 15, 1940
The temperature on July 15, 1940 was between 8.2 °C and 21.6 °C and averaged 16.0 °C. There was 24.1 mm of rain during 3.4 hours. There was 3.4 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
May 26 » World War II: The Siege of Calais ends with the surrender of the British and French garrison.
June 26 » World War II: Under the Molotov–Ribbentrop Pact, the Soviet Union presents an ultimatum to Romania requiring it to cede Bessarabia and the northern part of Bukovina.
July 20 » California opens its first freeway, the Arroyo Seco Parkway.
August 25 » World War II: The first Bombing of Berlin by the British Royal Air Force.
September 12 » Cave paintings are discovered in Lascaux, France.
October 25 » Benjamin O. Davis Sr. is named the first African American general in the United States Army.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I252650.php : accessed January 25, 2026), "Cornelis Maas (± 1864-1940)".
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