The temperature on September 17, 1870 was about 13.6 °C. There was 2 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. 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 10 » John D. Rockefeller incorporates Standard Oil.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
September 2 » Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
October 2 » A plebiscite held in Rome, supports annexation of city of Rome by the Kingdom of Italy.
Day of marriage May 12, 1906
The temperature on May 12, 1906 was between 6.9 °C and 23.4 °C and averaged 15.7 °C. There was 12.0 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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.
March 10 » The Courrières mine disaster, Europe's worst ever, kills 1099 miners in northern France.
April 7 » Mount Vesuvius erupts and devastates Naples.
June 26 » The first Grand Prix motor race is held at Le Mans.
August 13 » The all black infantrymen of the U.S. Army's 25th Infantry Regiment are accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence; all are later dishonorably discharged. (Their records were later restored to reflect honorable discharges but there were no financial settlements.)
September 18 » The 1906 Hong Kong typhoon kills an estimated 10,000 people.
October 11 » San Francisco sparks a diplomatic crisis between the United States and Japan by ordering segregated schools for Japanese students.
Day of death January 16, 1945
The temperature on January 16, 1945 was between -4.0 °C and 1.6 °C and averaged -0.5 °C. There was 0.1 mm of rain. There was 1.5 hours of sunshine (18%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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).
January 30 » World War II: Raid at Cabanatuan: One hundred twenty-six American Rangers and Filipino resistance fighters liberate over 500 Allied prisoners from the Japanese-controlled Cabanatuan POW camp.
April 29 » The Italian commune of Fornovo di Taro is liberated from German forces by Brazilian forces.
April 30 » World War II: Führerbunker: Adolf Hitler and Eva Braun commit suicide after being married for less than 40 hours. Soviet soldiers raise the Victory Banner over the Reichstag building.
August 6 » World War II: Hiroshima, Japan is devastated when the atomic bomb "Little Boy" is dropped by the United States B-29 Enola Gay. Around 70,000 people are killed instantly, and some tens of thousands die in subsequent years from burns and radiation poisoning.
August 15 » Jewel Voice Broadcast by the Emperor Showa following effective surrender of Japan in the World War II, Korea gains Independence from the Empire of Japan.
October 18 » A group of the Venezuelan Armed Forces, led by Mario Vargas, Marcos Pérez Jiménez and Carlos Delgado Chalbaud, stages a coup d'état against president Isaías Medina Angarita, who is overthrown by the end of the day.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I197225.php : accessed February 13, 2026), "Pier Holtrop (1870-1945)".
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