The temperature on May 9, 1882 was about 8.7 °C. There was 2 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 75%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
March 24 » Robert Koch announces the discovery of Mycobacterium tuberculosis, the bacterium responsible for tuberculosis.
July 10 » War of the Pacific: Chile suffers its last military defeat in the Battle of La Concepción when a garrison of 77 men is annihilated by a 1,300-strong Peruvian force, many of them armed with spears.
July 11 » The British Mediterranean Fleet begins the Bombardment of Alexandria in Egypt as part of the Anglo-Egyptian War.
July 26 » The Republic of Stellaland is founded in Southern Africa.
September 18 » The Pacific Stock Exchange opens.
September 30 » Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
Day of death July 20, 1950
The temperature on July 20, 1950 was between 16.7 °C and 24.2 °C and averaged 19.6 °C. There was 2.5 hours of sunshine (16%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. 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).
January 5 » In the Sverdlovsk air disaster, all 19 of those on board are killed, including almost the entire national ice hockey team (VVS Moscow) of the Soviet Air Force – 11 players, as well as a team doctor and a masseur.
January 13 » British submarine HMSTruculent collides with an oil tanker in the Thames Estuary, killing 64 men.
July 24 » Cape Canaveral Air Force Station begins operations with the launch of a Bumper rocket.
September 15 » Korean War: The U.S. X Corps lands at Inchon.
September 24 » The eastern United States is covered by a thick haze from the Chinchaga fire in western Canada.
December 25 » The Stone of Scone, traditional coronation stone of British monarchs, is taken from Westminster Abbey by Scottish nationalist students. It later turns up in Scotland on April 11, 1951.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I25219.php : accessed September 23, 2026), "Maria Isabella de Roeck (1882-1950)".
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