The temperature on January 5, 1915 was between 1.1 °C and 6.7 °C and averaged 3.4 °C. There was 4.1 mm of rain. 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.
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.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
June 9 » William Jennings Bryan resigns as Woodrow Wilson's Secretary of State over a disagreement regarding the United States' handling of the sinking of the RMSLusitania.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death July 9, 1969
The temperature on July 9, 1969 was between 7.9 °C and 16.1 °C and averaged 11.6 °C. There was 5.1 mm of rain during 2.8 hours. There was 4.4 hours of sunshine (27%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 5 » The Venera 5 space probe is launched at 06:28:08 UTC from Baikonur.
January 15 » The Soviet Union launches Soyuz 5.
May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
May 21 » Civil unrest in Rosario, Argentina, known as Rosariazo, following the death of a 15-year-old student.
August 4 » Vietnam War: At the apartment of French intermediary Jean Sainteny in Paris, American representative Henry Kissinger and North Vietnamese representative Xuân Thuỷ begin secret peace negotiations. The negotiations will eventually fail.
November 20 » Vietnam War: The Plain Dealer (Cleveland, Ohio) publishes explicit photographs of dead villagers from the My Lai Massacre in Vietnam.
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/I144308.php : accessed October 19, 2026), "Pieter Zijlstra (1915-1969)".
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