The temperature on June 30, 1909 was between 10.4 °C and 15.3 °C and averaged 12.5 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 4 » U.S. President William Taft used what became known as a Saxbe fix, a mechanism to avoid the restriction of the U.S. Constitution's Ineligibility Clause, to appoint Philander C. Knox as U.S. Secretary of State.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
June 2 » Alfred Deakin becomes Prime Minister of Australia for the third time.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
Day of marriage May 24, 1940
The temperature on May 24, 1940 was between 9.7 °C and 19.4 °C and averaged 14.6 °C. There was 0.4 mm of rain during 0.5 hours. There was 9.4 hours of sunshine (58%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
January 29 » Three trains on the Nishinari Line; present Sakurajima Line, in Osaka, Japan, collide and explode while approaching Ajikawaguchi Station. One hundred and eighty-one people are killed.
May 26 » World War II: Operation Dynamo: In northern France, Allied forces begin a massive evacuation from Dunkirk, France.
June 16 » A Communist government is installed in Lithuania.
June 26 » World War II: Under the Molotov–Ribbentrop Pact, the Soviet Union presents an ultimatum to Romania requiring it to cede Bessarabia and the northern part of Bukovina.
July 19 » Field Marshal Ceremony: First occasion in World War II that Adolf Hitler appoints field marshals due to military achievements.
September 17 » World War II: Due to setbacks in the Battle of Britain and approaching autumn weather, Hitler postpones Operation Sea Lion.
Day of death August 18, 1999
The temperature on August 18, 1999 was between 13.8 °C and 22.2 °C and averaged 16.0 °C. There was 3.2 mm of rain during 2.9 hours. There was 4.4 hours of sunshine (30%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 9 » Kosovo War: The Battle of Košare begins.
April 19 » The German Bundestag returns to Berlin.
August 17 » The 7.6 Mw İzmit earthquake shakes northwestern Turkey with a maximum Mercalli intensity of IX (Violent), leaving 17,118–17,127 dead and 43,953–50,000 injured.
September 7 » The 6.0 Mw Athens earthquake affected the area with a maximum Mercalli intensity of IX (Violent), killing 143, injuring 800–1,600, and leaving 50,000 homeless.
October 22 » Maurice Papon, an official in the Vichy France government during World War II, is jailed for crimes against humanity.
December 21 » Cubana de Aviación Flight 1216 overshoots the runway at La Aurora International Airport, killing 18.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I135617.php : accessed February 15, 2026), "Sjoukje Piersma (1909-1999)".
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