The temperature on May 11, 1927 was between 1.0 °C and 12.4 °C and averaged 6.6 °C. There was 5.0 hours of sunshine (32%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
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.
April 23 » Cardiff City defeat Arsenal in the FA Cup Final, the only time it has been won by a team not based in England.
April 30 » The Federal Industrial Institute for Women opens in Alderson, West Virginia, as the first women's federal prison in the United States.
July 4 » First flight of the Lockheed Vega.
July 24 » The Menin Gate war memorial is unveiled at Ypres.
October 6 » Opening of The Jazz Singer, the first prominent "talkie" movie.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I62803.php : accessed February 13, 2026), "Johannes Nieuwenburg".
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