The temperature on August 18, 1910 was between 11.8 °C and 21.0 °C and averaged 16.7 °C. There was 8.8 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
November 21 » Sailors on board Brazil's warships including the Minas Gerais, São Paulo, and Bahia, violently rebel in what is now known as the Revolta da Chibata (Revolt of the Lash).
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of marriage October 22, 1942
The temperature on October 22, 1942 was between 6.4 °C and 14.2 °C and averaged 12.0 °C. There was 4.8 mm of rain during 7.5 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 1 » Voice of America, the official external radio and television service of the United States government, begins broadcasting with programs aimed at areas controlled by the Axis powers.
February 19 » World War II: United States President Franklin D. Roosevelt signs executive order 9066, allowing the United States military to relocate Japanese Americans to internment camps.
July 1 » World War II: First Battle of El Alamein.
August 7 » World War II: The Battle of Guadalcanal begins as the United States Marines initiate the first American offensive of the war with landings on Guadalcanal and Tulagi in the Solomon Islands.
August 15 » World War II: Operation Pedestal: The oil tanker SSOhio reaches the island of Malta barely afloat carrying vital fuel supplies for the island's defenses.
October 30 » World War II: Lt. Tony Fasson and Able Seaman Colin Grazier drown while taking code books from the sinking German submarine U-559.
Day of death February 24, 1957
The temperature on February 24, 1957 was between 0.8 °C and 7.4 °C and averaged 4.3 °C. There was 0.7 mm of rain during 1.2 hours. There was 0.4 hours of sunshine (4%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
When copying data from this family tree, please include a reference to the origin: H. Grevinga, "Family tree Grevinga", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grevinga/I2001.php : accessed January 5, 2026), "herman koers (1910-1957)".
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