The temperature on June 23, 1914 was between 9.6 °C and 18.5 °C and averaged 12.8 °C. There was 11.5 mm of rain. There was 2.5 hours of sunshine (15%). 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.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 5 » World War I: The guns of Point Nepean fort at Port Phillip Heads in Victoria (Australia) fire across the bows of the Norddeutscher Lloyd steamer SSPfalz which is attempting to leave the Port of Melbourne in ignorance of the declaration of war and she is detained; this is said to be the first Allied shot of the War.
August 28 » World War I: The Royal Navy defeats the German fleet in the Battle of Heligoland Bight.
September 17 » Andrew Fisher becomes Prime Minister of Australia for the third time.
Day of death January 18, 1987
The temperature on January 18, 1987 was between -6.6 °C and -4.8 °C and averaged -5.7 °C. There was -0.1 mm of rain. There was 0.8 hours of sunshine (10%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 7 » Lieyu massacre: Taiwanese military massacre of 19 unarmed Vietnamese refugees at Donggang, Lieyu, Kinmen.
May 8 » The SAS kills eight Provisional Irish Republican Army volunteers and a civilian during an ambush in Loughgall, Northern Ireland.
May 11 » Klaus Barbie goes on trial in Lyon for war crimes committed during World War II.
September 2 » In Moscow, the trial begins for 19-year-old pilot Mathias Rust, who flew his Cessna airplane into Red Square in May.
October 11 » The AIDS Memorial Quilt is first displayed during the Second National March on Washington for Lesbian and Gay Rights.
October 21 » The Jaffna hospital massacre is carried out by Indian Peace Keeping Force in Sri Lanka, killing 70 ethnic Tamil patients, doctors and nurses.
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/I120844.php : accessed October 19, 2026), "Harmke Hamstra (1914-1987)".
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