The temperature on December 4, 1870 was about -2.8 °C. The air pressure was 2 kgf/m2 and came mainly from the east. The airpressure was 77 cm mercury. The atmospheric humidity was 70%. 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).
January 23 » In Montana, U.S. cavalrymen kill 173 Native Americans, mostly women and children, in what becomes known as the Marias Massacre.
April 13 » The New York City Metropolitan Museum of Art is founded.
July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
July 15 » Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories.
September 18 » Old Faithful Geyser is observed and named by Henry D. Washburn.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
Day of marriage August 27, 1898
The temperature on August 27, 1898 was about 19.7 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 80%. Source: KNMI
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
August 25 » Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece.
August 29 » The Goodyear tire company is founded.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
Day of death December 9, 1946
The temperature on December 9, 1946 was between 2.4 °C and 6.8 °C and averaged 4.9 °C. There was 0.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-southeast. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
February 15 » ENIAC, the first electronic general-purpose computer, is formally dedicated at the University of Pennsylvania in Philadelphia.
May 1 » Start of three-year Pilbara strike of Indigenous Australians.
June 2 » Birth of the Italian Republic: In a referendum, Italians vote to turn Italy from a monarchy into a Republic. After the referendum, King Umberto II of Italy is exiled.
June 7 » The United Kingdom's BBC returns to broadcasting its television service, which has been off air for seven years because of the Second World War.
July 25 » The Crossroads Baker device is the first underwater nuclear weapon test.
October 16 » Nuremberg trials: Ten defendants found guilty by the International Military Tribunal are executed by hanging.
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/I65664.php : accessed March 16, 2026), "Henderikus Martens (1870-1946)".
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