The temperature on September 19, 1905 was between 6.8 °C and 17.6 °C and averaged 12.5 °C. There was 1.1 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 1, 1901 to August 16, 1905 the cabinet Kuijper, with Dr. A. Kuijper (AR) as prime minister.
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » In Mexico, the General Hospital of Mexico is inaugurated, started with four basic specialties.
May 15 » Las Vegas is founded when 110 acres (0.45km), in what later would become downtown, are auctioned off.
September 1 » Alberta and Saskatchewan join the Canadian confederation.
September 8 » The 7.2 Mw Calabria earthquake shakes southern Italy with a maximum Mercalli intensity of XI (Extreme), killing between 557 and 2,500 people.
October 16 » The Partition of Bengal in India takes place.
November 21 » Albert Einstein's paper that leads to the mass–energy equivalence formula, E=mc², is published in the journal Annalen der Physik.
Day of marriage May 20, 1933
The temperature on May 20, 1933 was between 5.8 °C and 20.3 °C and averaged 14.5 °C. There was 13.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
May 27 » The Walt Disney Company releases the cartoon Three Little Pigs, with its hit song "Who's Afraid of the Big Bad Wolf?"
September 12 » Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives the idea of the nuclear chain reaction.
September 21 » Salvador Lutteroth establishes Mexican professional wrestling.
October 17 » Albert Einstein flees Nazi Germany and moves to the United States.
November 7 » Fiorello H. La Guardia is elected the 99th mayor of New York City.
December 5 » The Twenty-first Amendment to the United States Constitution is ratified.
Day of death December 19, 1978
The temperature on December 19, 1978 was between -8.1 °C and -0.9 °C and averaged -4.8 °C. There was 3.5 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 6 » The Blizzard of 1978, one of the worst Nor'easters in New England history, hit the region, with sustained winds of 65mph and snowfall of four inches an hour.
February 8 » Proceedings of the United States Senate are broadcast on radio for the first time.
July 7 » The Solomon Islands becomes independent from the United Kingdom.
July 25 » Birth of Louise Joy Brown, the first human to have been born after conception by in vitro fertilisation, or IVF.
September 7 » While walking across Waterloo Bridge in London, Bulgarian dissident Georgi Markov is assassinated by Bulgarian secret police agent Francesco Gullino by means of a ricin pellet fired from a specially-designed umbrella.
September 17 » The Camp David Accords are signed by Israel and Egypt.
When copying data from this family tree, please include a reference to the origin: Andries Koens, "Family tree Koens", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-koens/I2002.php : accessed March 4, 2026), "Piet Koens (1905-1978)".
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