The temperature on June 12, 1884 was about 16.5 °C. The air pressure was 3 kgf/m2 and came mainly from the west. The airpressure was 77 cm mercury. The atmospheric humidity was 78%. 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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
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 December 12, 1959
The temperature on December 12, 1959 was between -1.2 °C and 1.2 °C and averaged 0.2 °C. There was 1.2 hours of sunshine (15%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 4 » Luna 1 becomes the first spacecraft to reach the vicinity of the Moon.
March 9 » The Barbie doll makes its debut at the American International Toy Fair in New York.
March 28 » The State Council of the People's Republic of China dissolves the government of Tibet.
August 3 » Portugal's state police force PIDE fires upon striking workers in Bissau, Portuguese Guinea, killing over 50 people.
September 16 » The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
October 12 » At the national congress of the American Popular Revolutionary Alliance in Peru, a group of leftist radicals are expelled from the party who later form APRA Rebelde.
When copying data from this family tree, please include a reference to the origin: Brian Kennedy, "Kennedy Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kennedy-family-tree/P5639.php : accessed May 7, 2025), "Hugh Douglas Cavin (1884-1959)".
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