The temperature on December 6, 1875 was about -4.3 °C. The air pressure was 14 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 63%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
April 10 » India: Arya Samaj is founded in Mumbai by Swami Dayananda Saraswati to propagate his goal of social reform.
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
August 22 » The Treaty of Saint Petersburg between Japan and Russia is ratified, providing for the exchange of Sakhalin for the Kuril Islands.
September 3 » The first official game of polo is played in Argentina after being introduced by British ranchers.
October 16 » Brigham Young University is founded in Provo, Utah.
October 22 » First telegraphic connection in Argentina.
Day of death February 25, 1942
The temperature on February 25, 1942 was between -6.8 °C and -1.2 °C and averaged -3.6 °C. There was 4.7 mm of rain during 8.8 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
January 30 » World War II: Battle of Ambon. Japanese forces invade the island of Ambon in the Dutch East Indies. Some 300 captured Allied troops are massacred at Laha airfield. Three-fourths of remaining POWs will not have survived by the end of the war, including 250 men who will be shipped to Hainan Island in South China Sea and never returned.
February 2 » The Osvald Group is responsible for the first, active event of anti-Nazi resistance in Norway, to protest the inauguration of Vidkun Quisling.
June 10 » World War II: The Lidice massacre is perpetrated as a reprisal for the assassination of Obergruppenführer Reinhard Heydrich.
August 11 » Actress Hedy Lamarr and composer George Antheil receive a patent for a Frequency-hopping spread spectrum communication system that later became the basis for modern technologies in wireless telephones and Wi-Fi.
August 23 » World War II: Beginning of the Battle of Stalingrad.
November 13 » World War II: Naval Battle of Guadalcanal: U.S. and Japanese ships engage in an intense, close-quarters surface naval engagement during the Guadalcanal Campaign.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I20460.php : accessed February 1, 2026), "Petrus Johannes Mostert b9c2d4e6g6g1 (1875-1942)".
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