The temperature on May 23, 1909 was between 8.7 °C and 25.7 °C and averaged 17.9 °C. There was 12.5 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
April 18 » Joan of Arc is beatified in Rome.
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 death June 16, 1980
The temperature on June 16, 1980 was between 11.0 °C and 19.8 °C and averaged 14.7 °C. There was 2.8 mm of rain during 1.1 hours. There was 1.6 hours of sunshine (10%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
May 18 » Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3billion in damage.
June 1 » Cable News Network (CNN) begins broadcasting.
August 1 » A train crash kills 18 people in County Cork, Ireland.
September 17 » Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay.
November 21 » A deadly fire breaks out at the MGM Grand Hotel in Paradise, Nevada (now Bally's Las Vegas). Eighty-seven people are killed and more than 650 are injured in the worst disaster in Nevada history.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I320237.php : accessed February 9, 2026), "Folkert Mulder (1909-1980)".
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