The temperature on June 8, 1915 was between 14.0 °C and 32.1 °C and averaged 22.9 °C. There was 0.4 mm of rain. There was 11.8 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
July 28 » The United States begins a 19-year occupation of Haiti.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage April 26, 1944
The temperature on April 26, 1944 was between 2.7 °C and 11.8 °C and averaged 7.2 °C. There was 9.0 hours of sunshine (62%). The average windspeed was 4 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 15 » World War II: The assault on Monte Cassino, Italy begins.
March 9 » World War II: Soviet Army planes attack Tallinn, Estonia.
April 16 » World War II: Allied forces start bombing Belgrade, killing about 1,100 people. This bombing fell on the Orthodox Christian Easter.
June 11 » USSMissouri, the last battleship built by the United States Navy and future site of the signing of the Japanese Instrument of Surrender, is commissioned.
June 13 » World War II: Germany launches the first V1 Flying Bomb attack on England. Only four of the eleven bombs strike their targets.
August 25 » World War II: Paris is liberated by the Allies.
When copying data from this family tree, please include a reference to the origin: Sake Siegersma, "Family tree Siegersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-siegersma/I930.php : accessed January 30, 2026), "Aaltje de Boer (1915-)".
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