The temperature on April 13, 1927 was between 4.9 °C and 12.9 °C and averaged 8.9 °C. There was 0.6 mm of rain. There was 4.8 hours of sunshine (35%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 10 » Fritz Lang's futuristic film Metropolis is released in Germany.
February 23 » German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
July 10 » Kevin O'Higgins TD, Vice-President of the Executive Council of the Irish Free State is assassinated by the IRA.
August 16 » The Dole Air Race begins from Oakland, California, to Honolulu, Hawaii, during which six out of the eight participating planes crash or disappear.
September 30 » Babe Ruth becomes the first baseball player to hit 60 home runs in a season.
November 21 » Columbine Mine massacre: Striking coal miners are allegedly attacked with machine guns by a detachment of state police dressed in civilian clothes.
Day of death September 1, 2018
The temperature on September 1, 2018 was between 5.2 °C and 20.8 °C and averaged 13.5 °C. There was 10.4 hours of sunshine (76%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 14 » Jacob Zuma resigns as President of South Africa.
March 23 » President of Peru Pedro Pablo Kuczynski resigns from the presidency amid a mass corruption scandal before certain impeachment by the opposition-majority Congress of Peru.
April 18 » King Mswati III of Swaziland announces that his country's name will change to Eswatini.
May 25 » Ireland votes to repeal the Eighth Amendment of their constitution that prohibits abortion in all but a few cases, choosing to replace it with the Thirty-sixth Amendment of the Constitution of Ireland.
September 20 » At least 161 people die after a ferry capsized close to the pier on Ukara Island in Lake Victoria and part of Tanzania.
December 31 » Thirty-nine people are killed after a ten-storey building collapsed in the industrial city of Magnitogorsk, Russia.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3640.php : accessed March 6, 2026), "Regina Martha Zeldenthuis (1927-2018)".
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