The temperature on September 20, 1884 was about 15.7 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 68%. 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 » The Fabian Society is founded in London, United Kingdom.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
July 3 » Dow Jones & Company publishes its first stock average.
July 5 » Germany takes possession of Cameroon.
October 6 » The Naval War College of the United States is founded in Rhode Island.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of death June 21, 1947
The temperature on June 21, 1947 was between 11.4 °C and 19.5 °C and averaged 15.8 °C. There was 0.7 mm of rain during 0.4 hours. There was 1.7 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 28 » February 28 Incident: In Taiwan, civil disorder is put down with the loss of an estimated 30,000 civilians.
April 16 » An explosion on board a freighter in port causes the city of Texas City, Texas, to catch fire, killing almost 600.
June 5 » Cold War: Marshall Plan: In a speech at Harvard University, the United States Secretary of State George Marshall calls for economic aid to war-torn Europe.
August 7 » The Bombay Municipal Corporation formally takes over the Bombay Electric Supply and Transport (BEST).
October 14 » Chuck Yeager becomes the first person to exceed the speed of sound.
November 17 » American scientists John Bardeen and Walter Houser Brattain observe the basic principles of the transistor, a key element for the electronics revolution of the 20th century.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P12606.php : accessed January 11, 2026), "Maxwell Evarts Perkins (1884-1947)".
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