The temperature on August 25, 1891 was about 16.5 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 79%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
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.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 5 » The Music Hall in New York City (later known as Carnegie Hall) has its grand opening and first public performance, with Tchaikovsky as the guest conductor.
July 26 » France annexes Tahiti.
October 1 » Stanford University opens its doors in California, United States.
October 28 » The Mino–Owari earthquake is the largest inland earthquake in Japan's history.
Day of death April 20, 1969
The temperature on April 20, 1969 was between -0.3 °C and 9.3 °C and averaged 4.7 °C. There was 5.8 hours of sunshine (41%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
June 22 » The Cuyahoga River catches fire in Cleveland, Ohio, drawing national attention to water pollution, and spurring the passing of the Clean Water Act and the creation of the Environmental Protection Agency.
July 19 » Chappaquiddick incident: U.S. Senator Ted Kennedy crashes his car into a tidal pond at Chappaquiddick Island, Massachusetts, killing his passenger Mary Jo Kopechne.
September 14 » The US Selective Service selects September 14 as the First Draft Lottery date.
October 1 » Concorde breaks the sound barrier for the first time.
October 29 » The first-ever computer-to-computer link is established on ARPANET, the precursor to the Internet.
November 3 » Vietnam War: U.S. President Richard M. Nixon addresses the nation on television and radio, asking the "silent majority" to join him in solidarity on the Vietnam War effort and to support his policies.
When copying data from this family tree, please include a reference to the origin: Michiel van Loon, "Family tree Van Loon", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-loon/I4841.php : accessed January 14, 2026), "Fokko Gerard Ritsema (1891-1969)".
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