The temperature on May 9, 1915 was between 6.4 °C and 14.3 °C and averaged 10.4 °C. There was 13.0 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
Day of marriage May 7, 1938
The temperature on May 7, 1938 was between -0.2 °C and 10.0 °C and averaged 5.8 °C. There was 0.1 mm of rain. There was 2.2 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
June 11 » Second Sino-Japanese War: The Battle of Wuhan starts.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
October 5 » In Nazi Germany, Jews' passports are invalidated.
October 31 » Great Depression: In an effort to restore investor confidence, the New York Stock Exchange unveils a fifteen-point program aimed to upgrade protection for the investing public.
November 16 » LSD is first synthesized by Albert Hofmann from ergotamine at the Sandoz Laboratories in Basel.
Day of death November 14, 1944
The temperature on November 14, 1944 was between -0.2 °C and 4.6 °C and averaged 3.0 °C. There was 7.3 mm of rain during 9.0 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I385992.php : accessed February 14, 2026), "Harm Hendrik Zaan (1915-1944)".
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