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
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.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
August 24 » Workers start pouring concrete for the Panama Canal.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
September 30 » The Cunard Line's RMS Mauretania makes a record-breaking westbound crossing of the Atlantic, that will not be bettered for 20 years.
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.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
April 30 » Beatrix is inaugurated as Queen of the Netherlands following the abdication of Juliana.
May 8 » The World Health Organization confirms the eradication of smallpox.
May 9 » In Norco, California, five masked gunmen hold up a Security Pacific bank, leading to a violent shoot-out and one of the largest pursuits in California history. Two of the gunmen and one police officer are killed and thirty-three police and civilian vehicles are destroyed in the chase.
July 7 » Institution of sharia law in Iran.
December 1 » Ecatepec, State of Mexico, Mexico, becomes a city.
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 13, 2026), "Folkert Mulder (1909-1980)".
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