The temperature on February 26, 1870 was about 6.4 °C. The air pressure was 7 kgf/m2 and came mainly from the southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 79%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
June 28 » The United States Court of Private Land Claims rules James Reavis’s claim to Barony of Arizona is "wholly fictitious and fraudulent."
November 28 » The first American automobile race takes place over the 54 miles from Chicago's Jackson Park to Evanston, Illinois. Frank Duryea wins in approximately 10 hours.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of death December 4, 1954
The temperature on December 4, 1954 was between 7.8 °C and 12.7 °C and averaged 9.7 °C. There was 0.5 mm of rain during 0.2 hours. The almost completely overcast was. The average windspeed was 6 Bft (strong wind) and was prevailing from the southwest. Source: KNMI
February 15 » Canada and the United States agree to construct the Distant Early Warning Line, a system of radar stations in the far northern Arctic regions of Canada and Alaska.
February 28 » The first color television sets using the NTSC standard are offered for sale to the general public.
March 9 » McCarthyism: CBS television broadcasts the See It Now episode, "A Report on Senator Joseph McCarthy", produced by Fred Friendly.
April 7 » United States President Dwight D. Eisenhower gives his "domino theory" speech during a news conference.
June 18 » Carlos Castillo Armas leads an invasion force across the Guatemalan border, setting in motion the 1954 Guatemalan coup d'état.
October 18 » Texas Instruments announces the first transistor radio.
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/I136151.php : accessed January 29, 2026), "Aaldert Wemmenhove (1870-1954)".
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