The temperature on October 7, 1885 was about 8.9 °C. There was 20 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 75 cm mercury. The atmospheric humidity was 92%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 4 » Sino-French War: French troops under General Oscar de Négrier defeat a numerically superior Qing force at Núi Bop in northern Vietnam.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
July 1 » The United States terminates reciprocity and fishery agreement with Canada.
July 23 » President Ulysses S. Grant dies of throat cancer.
August 29 » Gottlieb Daimler patents the world's first internal combustion motorcycle, the Reitwagen.
December 22 » Itō Hirobumi, a samurai, became the first Prime Minister of Japan.
Day of marriage May 17, 1909
The temperature on May 17, 1909 was between 6.2 °C and 12.8 °C and averaged 9.0 °C. There was 1.0 mm of rain. There was 0.3 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
June 26 » The Science Museum in London comes into existence as an independent entity.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
Day of death August 6, 1968
The temperature on August 6, 1968 was between 15.8 °C and 22.0 °C and averaged 18.6 °C. There was 2.4 mm of rain during 1.0 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 22 » Operation Igloo White, a US electronic surveillance system to stop communist infiltration into South Vietnam begins installation.
April 11 » President Lyndon B. Johnson signs the Civil Rights Act of 1968, prohibiting discrimination in the sale, rental, and financing of housing.
August 20 » Cold War: Warsaw Pact troops invade Czechoslovakia, crushing the Prague Spring. East German participation is limited to a few specialists due to memories of the recent war. Only Albania and Romania refuse to participate.
October 1 » Guyana nationalizes the British Guiana Broadcasting Service, which would eventually become part of the National Communications Network, Guyana.
October 14 » The first live TV broadcast by American astronauts in orbit is performed by the Apollo 7 crew.
December 25 » Apollo program: Apollo 8 performs the first successful Trans-Earth injection (TEI) maneuver, sending the crew and spacecraft on a trajectory back to Earth from Lunar orbit.
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/I162040.php : accessed October 23, 2026), "Pieter Knol (1885-1968)".
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