The temperature on July 18, 1915 was between 7.9 °C and 16.8 °C and averaged 13.5 °C. There was 1.2 mm of rain. There was 5.4 hours of sunshine (33%). The average windspeed was 5 Bft (very strong wind) 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.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
March 20 » Albert Einstein publishes his general theory of relativity.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage June 5, 1942
The temperature on June 5, 1942 was between 13.2 °C and 25.5 °C and averaged 19.8 °C. There was 14.4 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 24 » The Battle of Los Angeles: A false alarm led to an anti-aircraft barrage that lasted into the early hours of February 25.
June 21 » World War II: A Japanese submarine surfaces near the Columbia River in Oregon, firing 17 shells at Fort Stevens in one of only a handful of attacks by Japan against the United States mainland.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
September 21 » The Boeing B-29 Superfortress makes its maiden flight.
October 6 » World War II: American troops force the Japanese from their positions east of the Matanikau River on Guadalcanal.
October 30 » World War II: Lt. Tony Fasson and Able Seaman Colin Grazier drown while taking code books from the sinking German submarine U-559.
Day of death January 1, 1987
The temperature on January 1, 1987 was between 3.7 °C and 8.2 °C and averaged 4.9 °C. There was 8.4 mm of rain during 13.0 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
May 15 » The Soviet Union launches the Polyus prototype orbital weapons platform. It fails to reach orbit.
June 17 » With the death of the last individual of the species, the dusky seaside sparrow becomes extinct.
July 5 » Sri Lankan Civil War: The LTTE uses suicide attacks on the Sri Lankan Army for the first time. The Black Tigers are born and, in the following years, will continue to kill with the tactic.
July 29 » Prime Minister of India Rajiv Gandhi and President of Sri Lanka J. R. Jayewardene sign the Indo-Sri Lanka Accord on ethnic issues.
October 19 » Black Monday: The Dow Jones Industrial Average falls by 22%, 508 points.
November 15 » In Brașov, Romania, workers rebel against the communist regime of Nicolae Ceaușescu.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I217465.php : accessed February 26, 2026), "Hendrik Timmer (1915-1987)".
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