The temperature on January 29, 1881 was about 3.6 °C. There was 1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 74 cm mercury. The atmospheric humidity was 98%. 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 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
June 28 » The Austro–Serbian Alliance of 1881 is secretly signed.
July 1 » General Order 70, the culmination of the Cardwell and Childers reforms of the British Army, comes into effect.
July 1 » The world's first international telephone call is made between St. Stephen, New Brunswick, Canada, and Calais, Maine, United States.
July 4 » In Alabama, the Tuskegee Institute opens.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
Day of marriage December 23, 1905
The temperature on December 23, 1905 was between 3.2 °C and 6.3 °C and averaged 4.6 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
May 27 » Russo-Japanese War: The Battle of Tsushima begins.
June 27 » During the Russo-Japanese War, sailors start a mutiny aboard the Russian battleship Potemkin.
August 10 » Russo-Japanese War: Peace negotiations begin in Portsmouth, New Hampshire.
September 23 » Norway and Sweden sign the "Karlstad treaty", peacefully dissolving the Union between the two countries.
October 26 » King Oscar II recognizes the dissolution of the union between Norway and Sweden.
November 25 » Prince Carl of Denmark arrives in Norway to become King Haakon VII of Norway.
Day of death June 19, 1960
The temperature on June 19, 1960 was between 11.2 °C and 19.9 °C and averaged 16.1 °C. There was 9.7 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 9 » Dr. Belding Hibbard Scribner implants for the first time a shunt he invented into a patient, which allows the patient to receive hemodialysis on a regular basis.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
June 19 » The first NASCAR race was held at Charlotte Motor Speedway.
July 11 » France legislates for the independence of Dahomey (later Benin), Upper Volta (later Burkina) and Niger.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
November 4 » At the Kasakela Chimpanzee Community in Tanzania, Dr. Jane Goodall observes chimpanzees creating tools, the first-ever observation in non-human animals.
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/I346537.php : accessed March 4, 2026), "Hendrik Sonnega (1881-1960)".
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