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).
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
March 1 » Marshal F. S. López dies during the Battle of Cerro Corá thus marking the end of the Paraguayan War.
July 15 » Reconstruction Era of the United States: Georgia becomes the last of the former Confederate states to be readmitted to the Union.
August 18 » Franco-Prussian War: Battle of Gravelotte is fought.
September 4 » Emperor Napoleon III of France is deposed and the Third Republic is declared.
September 20 » The Bersaglieri corps enter Rome through the Porta Pia, and complete the unification 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.
May 22 » The Wright brothers are granted U.S. patent number 821,393 for their "Flying-Machine".
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.
September 20 » The Cunard Line's RMSMauretania is launched at Newcastle upon Tyne, England.
September 25 » Leonardo Torres y Quevedo demonstrates the Telekino, guiding a boat from the shore, in what is considered to be the first use of a remote control.
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.
April 9 » World War II: The Battle of Königsberg, in East Prussia, ends.
April 26 » World War II: Filipino troops of the 66th Infantry Regiment, Philippine Commonwealth Army, USAFIP-NL and the American troops of the 33rd and 37th Infantry Division, United States Army are liberated in Baguio and they fight against the Japanese forces under General Tomoyuki Yamashita.
May 9 » World War II: The final German Instrument of Surrender is signed at the Soviet headquarters in Berlin-Karlshorst.
October 15 » The former premier of Vichy France, Pierre Laval, is executed for treason.
October 21 » French women vote for the first time during the 1945 French legislative election.
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 December 29, 2025), "Pier Holtrop (1870-1945)".
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