The temperature on February 15, 1870 was about -4.0 °C. The air pressure was 2 kgf/m2 and came mainly from the northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 85%. 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.
February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
September 4 » Emperor Napoleon III of France is deposed and the Third Republic is declared.
October 27 » Franco-Prussian War: Marshal Bazaine surrenders to Prussian forces at the conclusion of the Siege of Metz along with 140,000 French soldiers.
December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.
Day of death January 18, 1946
The average temperature on January 18, 1946 was -3.8 °C. There was 4.5 hours of sunshine (54%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. 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.
January 22 » Creation of the Central Intelligence Group, forerunner of the Central Intelligence Agency.
March 6 » Ho Chi Minh signs an agreement with France which recognizes Vietnam as an autonomous state in the Indochinese Federation and the French Union.
March 28 » Cold War: The United States Department of State releases the Acheson–Lilienthal Report, outlining a plan for the international control of nuclear power.
April 23 » Manuel Roxas is elected the last President of the Commonwealth of the Philippines.
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.
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: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3205.php : accessed January 13, 2026), "Jan Ypma (1870-1946)".
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