The temperature on April 24, 1917 was between -1.0 °C and 10.8 °C and averaged 5.6 °C. There was 3.8 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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 19 » Silvertown explosion: A blast at a munitions factory in London kills 73 and injures over 400. The resulting fire causes over £2,000,000 worth of damage.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
June 7 » World War I: Battle of Messines: Allied soldiers detonate a series of mines underneath German trenches at Messines Ridge, killing 10,000 German troops.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
November 5 » October Revolution: Lenin calls for the October Revolution.
Day of death July 23, 1960
The temperature on July 23, 1960 was between 9.0 °C and 18.9 °C and averaged 13.8 °C. There was 0.4 mm of rain during 0.2 hours. There was 9.2 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
January 21 » Little Joe 1B, a Mercury spacecraft, lifts off from Wallops Island, Virginia with Miss Sam, a female rhesus monkey on board.
April 4 » France agrees to grant independence to the Mali Federation, a union of Senegal and French Sudan.
May 24 » Following the 1960 Valdivia earthquake, the largest ever recorded earthquake, Cordón Caulle begins to erupt.
July 20 » Ceylon (now Sri Lanka) elects Sirimavo Bandaranaike Prime Minister, the world's first elected female head of government.
December 17 » Troops loyal to Emperor Haile Selassie in Ethiopia crush the coup that began December 13, returning power to their leader upon his return from Brazil. Haile Selassie absolves his son of any guilt.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I11000.php : accessed February 17, 2026), "Anna Johanna Siebert (1888-1960)".
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