The temperature on June 17, 1890 was about 12.4 °C. There was 3 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
July 3 » Idaho is admitted as the 43rd U.S. state.
September 25 » The United States Congress establishes Sequoia National Park.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of marriage August 25, 1919
The temperature on August 25, 1919 was between 3.8 °C and 19.0 °C and averaged 12.7 °C. There was 8.5 hours of sunshine (60%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 23 » In Milan, Italy, Benito Mussolini founds his Fascist political movement.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
Day of death June 20, 1952
The temperature on June 20, 1952 was between 8.5 °C and 15.8 °C and averaged 12.9 °C. There was 1.0 mm of rain during 0.5 hours. There was 3.0 hours of sunshine (18%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 21 » Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.
April 15 » First flight of the Boeing B-52 Stratofortress.
May 7 » The concept of the integrated circuit, the basis for all modern computers, is first published by Geoffrey Dummer.
October 14 » Korean War: The Battle of Triangle Hill is the biggest and bloodiest battle of 1952.
November 4 » The United States government establishes the National Security Agency, or NSA.
November 29 » Korean War: U.S. President-elect Dwight D. Eisenhower fulfills a campaign promise by traveling to Korea to find out what can be done to end the conflict.
When copying data from this family tree, please include a reference to the origin: Ton Ross, "Family tree Ross - Peters - Hart - van der Willigen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ross/I36.php : accessed January 28, 2026), "Hein Albert Carel Beekman (1890-1952)".
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