The temperature on February 1, 1915 was between -1.5 °C and 5.6 °C and averaged 1.3 °C. There was 5.1 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
July 7 » The First Battle of the Isonzo comes to an end.
July 28 » The United States begins a 19-year occupation of Haiti.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 30 » World War I: Radoje Ljutovac becomes the first soldier in history to shoot down an enemy aircraft with ground-to-air fire.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
Day of marriage May 15, 1937
The temperature on May 15, 1937 was between 10.2 °C and 16.3 °C and averaged 12.5 °C. There was 12.5 mm of rain during 9.2 hours. There was 0.7 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
June 3 » The Duke of Windsor marries Wallis Simpson.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
August 1 » Josip Broz Tito reads the resolution "Manifesto of constitutional congress of KPH" to the constitutive congress of KPH (Croatian Communist Party) in woods near Samobor.
August 13 » Second Sino-Japanese War: The Battle of Shanghai begins.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
Day of death August 31, 1980
The temperature on August 31, 1980 was between 10.7 °C and 17.4 °C and averaged 14.3 °C. There was 2.6 mm of rain during 7.1 hours. There was 3.1 hours of sunshine (23%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 25 » Mother Teresa is honored with India's highest civilian award, the Bharat Ratna.
March 4 » Nationalist leader Robert Mugabe wins a sweeping election victory to become Zimbabwe's first black prime minister.
March 27 » Silver Thursday: A steep fall in silver prices, resulting from the Hunt Brothers attempting to corner the market in silver, leads to panic on commodity and futures exchanges.
July 8 » The inaugural 1980 State of Origin game is won by Queensland who defeat New South Wales 20–10 at Lang Park.
September 5 » The Gotthard Road Tunnel opens in Switzerland as the world's longest highway tunnel at 10.14 miles (16.32km) stretching from Göschenen to Airolo.
November 23 » The 6.9 Mw Irpinia earthquake shakes southern Italy with a maximum Mercalli intensity of X (Extreme), killing 2,483–4,900, and injuring 7,700–8,934.
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/I166251.php : accessed February 10, 2026), "Roelf Tuinstra (1915-1980)".
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