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 6 » The inauguration of the Musikverein in Vienna, Austria.
January 10 » John D. Rockefeller incorporates Standard Oil.
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
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 22 » The first England vs France rugby union match is played at Parc des Princes in Paris.
April 7 » Mount Vesuvius erupts and devastates Naples.
April 22 » The 1906 Intercalated Games, now recognized as part of the official Olympic Games, open in Athens.
June 25 » Pittsburgh, Pennsylvania millionaire Harry Thaw shoots and kills prominent architect Stanford White.
September 7 » Alberto Santos-Dumont flies his 14-bis aircraft at Bagatelle, France for the first time successfully.
September 13 » The Santos-Dumont 14-bis makes a short hop, the first flight of a fixed-wing aircraft in Europe.
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).
February 23 » World War II: During the Battle of Iwo Jima, a group of United States Marines reach the top of Mount Suribachi on the island and are photographed raising the American flag.
March 22 » World War II: The city of Hildesheim, Germany heavily damaged in a British air raid, though it had little military significance and Germany was on the verge of final defeat.
April 21 » World War II: Soviet forces south of Berlin at Zossen attack the German High Command headquarters.
May 1 » World War II: Forces of the Soviet Red Army liberate Allied prisoners of war imprisoned at Stalag Luft I near Barth, Germany.
August 8 » The London Charter is signed by France, the United Kingdom, the Soviet Union and the United States, establishing the laws and procedures for the Nuremberg trials.
August 17 » The novella Animal Farm by George Orwell is first published.
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 October 13, 2026), "Pier Holtrop (1870-1945)".
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