The temperature on August 10, 1917 was between 11.6 °C and 18.6 °C and averaged 15.1 °C. There was 1.9 mm of rain. There was 3.6 hours of sunshine (24%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
May 21 » The Imperial War Graves Commission is established through royal charter to mark, record, and maintain the graves and places of commemoration of the British Empire's military forces.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
October 26 » First World War: Brazil declares war on the Central Powers.
December 18 » The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
Day of marriage October 1, 1941
The temperature on October 1, 1941 was between 4.7 °C and 16.5 °C and averaged 11.0 °C. There was 0.8 mm of rain during 0.5 hours. There was 3.1 hours of sunshine (27%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
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.
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.
March 2 » World War II: First German military units enter Bulgaria after it joins the Axis Pact.
April 14 » World War II: German general Erwin Rommel attacks Tobruk.
April 17 » World War II: The Kingdom of Yugoslavia surrenders to Germany.
June 14 » June deportation: the first major wave of Soviet mass deportations and murder of Estonians, Latvians and Lithuanians, begins.
June 22 » World War II: Nazi Germany invades the Soviet Union in Operation Barbarossa.
December 11 » World War II: Germany and Italy declare war on the United States, following the Americans' declaration of war on the Empire of Japan in the wake of the attack on Pearl Harbor. The United States, in turn, declares war on them.
Day of death February 28, 1949
The temperature on February 28, 1949 was between 0.6 °C and 7.0 °C and averaged 3.7 °C. There was 2.6 mm of rain during 2.2 hours. There was 5.5 hours of sunshine (51%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 15 » Chinese Civil War: The Communist forces take over Tianjin from the Nationalist Government.
February 15 » Gerald Lankester Harding and Roland de Vaux begin excavations at Cave 1 of the Qumran Caves, where they will eventually discover the first seven Dead Sea Scrolls.
March 25 » More than 92,000 kulaks are suddenly deported from the Baltic states to Siberia.
May 12 » Cold War: The Soviet Union lifts its blockade of Berlin.
September 29 » The Communist Party of China writes the Common Programme for the future People's Republic of China.
October 1 » The People's Republic of China is established.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I1244.php : accessed February 3, 2026), "Bertha Jonker (1917-1949)".
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