The temperature on May 21, 1917 was between 12.1 °C and 23.3 °C and averaged 17.8 °C. There was 12.6 hours of sunshine (79%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-southeast. 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.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 4 » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
December 20 » Cheka, the first Soviet secret police force, is founded.
Day of death June 26, 1943
The temperature on June 26, 1943 was between 10.5 °C and 18.5 °C and averaged 14.4 °C. There was 0.9 mm of rain during 0.5 hours. There was 3.3 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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 22 » World War II: Members of the White Rose resistance, Sophie Scholl, Hans Scholl, and Christoph Probst are executed in Nazi Germany.
April 13 » The Jefferson Memorial is dedicated in Washington, D.C., on the 200th anniversary of President Thomas Jefferson's birth.
June 12 » The Holocaust: Germany liquidates the Jewish Ghetto in Brzeżany, Poland (now Berezhany, Ukraine). Around 1,180 Jews are led to the city's old Jewish graveyard and shot.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
August 17 » World War II: The U.S. Seventh Army under General George S. Patton arrives in Messina, Italy, followed several hours later by the British 8th Army under Field Marshal Bernard Montgomery, thus completing the Allied conquest of Sicily.
September 11 » World War II: German troops occupy Corsica and Kosovo-Metohija ending the Italian occupation of Corsica.
When copying data from this family tree, please include a reference to the origin: Frits Stempher, "Family tree Stempher", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-stempher/I369.php : accessed October 5, 2026), "Alberta Jeanette Stempher (1917-1943)".
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