The temperature on October 24, 1910 was between 2.9 °C and 12.8 °C and averaged 6.9 °C. There was 7.4 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 8 » The Boy Scouts of America is incorporated by William D. Boyce.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
May 4 » The Royal Canadian Navy is created.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
Day of marriage January 31, 1939
The temperature on January 31, 1939 was between -3.1 °C and 3.0 °C and averaged -1.1 °C. There was 7.1 hours of sunshine (79%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
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.
July 6 » Anti-Jewish legislation in prewar Nazi Germany closes the last remaining Jewish enterprises.
August 15 » The Wizard of Oz premieres at Grauman's Chinese Theater in Los Angeles, California.
September 6 » World War II: Britain suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.
October 16 » World War II: No. 603 Squadron RAF intercepts the first Luftwaffe raid on Britain.
November 8 » In Munich, Adolf Hitler narrowly escapes the assassination attempt of Georg Elser while celebrating the 16th anniversary of the Beer Hall Putsch.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
Day of death January 18, 1966
The temperature on January 18, 1966 was between -8.6 °C and -6.0 °C and averaged -7.1 °C. There was 3.7 hours of sunshine (44%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
April 26 » The magnitude 5.1 Tashkent earthquake affects the largest city in Soviet Central Asia with a maximum MSK intensity of VII (Very strong). Tashkent is mostly destroyed and 15–200 are killed.
May 16 » The Communist Party of China issues the "May 16 Notice", marking the beginning of the Cultural Revolution.
June 14 » The Vatican announces the abolition of the Index Librorum Prohibitorum ("index of prohibited books"), which was originally instituted in 1557.
July 18 » A racially charged incident in a bar sparks the six-day Hough riots in Cleveland, Ohio; 1,700 Ohio National Guard troops intervene to restore order.
August 1 » Purges of intellectuals and imperialists becomes official China policy at the beginning of the Cultural Revolution.
November 15 » Project Gemini: Gemini 12 completes the program's final mission, when it splashes down safely in the Atlantic Ocean.
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/I619956.php : accessed February 23, 2026), "Leen van der Valk (1910-1966)".
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