The temperature on March 22, 1868 was about 12.3 °C. The air pressure was 8 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
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 27 » Boshin War: The Battle of Toba–Fushimi begins, between forces of the Tokugawa shogunate and pro-Imperial factions; it will end in defeat for the shogunate, and is a pivotal point in the Meiji Restoration.
March 1 » The Pi Kappa Alpha fraternity is founded at the University of Virginia.
April 10 » At Arogee in Abyssinia, British and Indian forces defeat an army of Emperor Tewodros II. While 700 Ethiopians are killed and many more injured, only two British/Indian troops die.
July 25 » The Wyoming Territory is established.
December 10 » The first traffic lights are installed, outside the Palace of Westminster in London. Resembling railway signals, they use semaphore arms and are illuminated at night by red and green gas lamps.
December 11 » Paraguayan War: Brazilian troops defeat Paraguayan at the Battle of Avay.
Day of marriage August 18, 1894
The temperature on August 18, 1894 was about 13.4 °C. There was 17 mm of rain. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
February 12 » Anarchist Émile Henry hurls a bomb into the Cafe Terminus in Paris, killing one person and wounding 20.
June 24 » Marie François Sadi Carnot is assassinated by Sante Geronimo Caserio.
August 22 » Mahatma Gandhi forms the Natal Indian Congress (NIC) in order to fight discrimination against Indian traders in Natal.
August 25 » Kitasato Shibasaburō discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
September 17 » Battle of the Yalu River, the largest naval engagement of the First Sino-Japanese War.
November 17 » H. H. Holmes, one of the first modern serial killers, is arrested in Boston, Massachusetts.
Day of death May 2, 1950
The temperature on May 2, 1950 was between 7.5 °C and 15.8 °C and averaged 11.5 °C. There was 1.2 mm of rain during 1.4 hours. There was 7.2 hours of sunshine (48%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
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/I97588.php : accessed February 10, 2026), "Johan Frederik Polman (1868-1950)".
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