The temperature on April 18, 1881 was about 17.3 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 55%. 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.
January 9 » Hallam Tennyson, 2nd Baron Tennyson, son of the poet Alfred Tennyson, becomes the second Governor-General of Australia.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
August 18 » German engineer Karl Jatho allegedly flies his self-made, motored gliding airplane four months before the first flight of the Wright brothers.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
November 3 » With the encouragement of the United States, Panama separates from Colombia.
Day of death April 15, 1957
The temperature on April 15, 1957 was between 1.7 °C and 14.4 °C and averaged 7.8 °C. There was 1.8 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 3 » The Hamilton Watch Company introduces the first electric watch.
February 18 » Kenyan rebel leader Dedan Kimathi is executed by the British colonial government.
September 19 » Plumbbob Rainier becomes the first nuclear explosion to be entirely contained underground, producing no fallout.
September 25 » Central High School in Little Rock, Arkansas, is integrated by the use of United States Army troops.
October 10 » The Windscale fire results in Britain's worst nuclear accident.
November 17 » Vickers Viscount G-AOHP of British European Airways crashes at Ballerup after the failure of three engines on approach to Copenhagen Airport. The cause is a malfunction of the anti-icing system on the aircraft. There are no fatalities.
When copying data from this family tree, please include a reference to the origin: Leen Couprie, "Family tree Couprie, Heijer, Bontenbal, Boersma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-couprie-heijer-bontenbal-boersma/I2659.php : accessed June 19, 2024), "Johannes Petrus Swiebel (1881-1957)".
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