The temperature on April 7, 1886 was about 10.9 °C. The air pressure was 14 kgf/m2 and came mainly from the southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 54%. 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.
March 29 » John Pemberton brews the first batch of Coca-Cola in a backyard in Atlanta.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
November 30 » The Folies Bergère stages its first revue.
Day of death April 20, 1957
The temperature on April 20, 1957 was between 2.1 °C and 12.7 °C and averaged 8.1 °C. There was 8.9 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 31 » Eight people (5 total crew from 2 aircraft and 3 on the ground) in Pacoima, California are killed following the mid-air collision between a Douglas DC-7 airliner and a Northrop F-89 Scorpion fighter jet.
May 3 » Walter O'Malley, the owner of the Brooklyn Dodgers, agrees to move the team from Brooklyn to Los Angeles.
July 6 » Althea Gibson wins the Wimbledon championships, becoming the first black athlete to do so.
July 6 » John Lennon and Paul McCartney meet for the first time, as teenagers at Woolton Fete, three years before forming the Beatles.
July 28 » Heavy rain and a mudslide in Isahaya, western Kyushu, Japan, kills 992.
August 21 » The Soviet Union successfully conducts a long-range test flight of the R-7 Semyorka, the first intercontinental ballistic missile.
When copying data from this family tree, please include a reference to the origin: David Cohen, "David G Cohen Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/david-g-cohen-family-tree/P332.php : accessed May 12, 2025), "Herbert Irving Coon (1886-1957)".
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