The temperature on January 21, 1886 was about -5.5 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. 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.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
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.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
November 30 » The Folies Bergère stages its first revue.
Day of death August 17, 1971
The temperature on August 17, 1971 was between 4.6 °C and 21.7 °C and averaged 14.5 °C. There was -0.1 mm of rain. There was 12.5 hours of sunshine (86%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
February 15 » The decimalisation of British coinage is completed on Decimal Day.
May 1 » Amtrak (the National Railroad Passenger Corporation) takes over operation of U.S. passenger rail service.
May 30 » Mariner program: Mariner 9 is launched to map 70% of the surface, and to study temporal changes in the atmosphere and surface, of Mars.
July 12 » The Australian Aboriginal Flag is flown for the first time.
August 15 » President Richard Nixon completes the break from the gold standard by ending convertibility of the United States dollar into gold by foreign investors.
December 2 » Abu Dhabi, Ajman, Fujairah, Sharjah, Dubai, and Umm al-Quwain form the United Arab Emirates.
When copying data from this family tree, please include a reference to the origin: Mikko Salomaa, "Genealogy Mikko Salomaa", database, Genealogy Online (https://www.genealogieonline.nl/genealogy-mikko-salomaa/I6000000062308195046.php : accessed June 6, 2026), "Kaarle Emerik Kallenpoika "Kalle Emerik" Leppä (1886-1971)".
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