The temperature on April 11, 1880 was about 9.9 °C. The air pressure was 4 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 45%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 13 » Thomas Edison observes Thermionic emission.
May 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
July 27 » Second Anglo-Afghan War: Battle of Maiwand: Afghan forces led by Mohammad Ayub Khan defeat the British Army in battle near Maiwand, Afghanistan.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
Day of marriage May 29, 1903
The temperature on May 29, 1903 was between 11.0 °C and 26.4 °C and averaged 18.9 °C. There was 12.3 hours of sunshine (76%). Source: KNMI
January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death August 25, 1963
The temperature on August 25, 1963 was between 13.7 °C and 18.2 °C and averaged 15.7 °C. There was 5.5 mm of rain during 6.4 hours. There was 2.7 hours of sunshine (19%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 17 » Mount Agung erupted on Bali killing more than 1,100 people.
April 10 » One hundred twenty-nine American sailors die when the submarine USSThresher sinks at sea.
July 26 » The Organisation for Economic Co-operation and Development votes to admit Japan.
August 8 » Great Train Robbery: In England, a gang of 15 train robbers steal £2.6million in bank notes.
November 29 » "I Want to Hold Your Hand", recorded on October 17, 1963, is released by the Beatles in the United Kingdom.
December 25 » Turkish Cypriot Bayrak Radio begins transmitting in Cyprus after Turkish Cypriots are forcibly excluded from Cyprus Broadcasting Corporation.
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/I313636.php : accessed January 23, 2026), "Geert Harms (1880-1963)".
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