The temperature on April 26, 1927 was between 1.5 °C and 9.2 °C and averaged 5.8 °C. There was 3.0 mm of rain. There was 7.7 hours of sunshine (53%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-northwest. Source: KNMI
January 27 » Ibn Saud takes the title of King of Nejd.
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 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
September 22 » Jack Dempsey loses the "Long Count" boxing match to Gene Tunney.
October 25 » The Italian luxury liner SS Principessa Mafalda sinks off the coast of Brazil, killing 314.
When copying data from this family tree, please include a reference to the origin: Coos van Spijk, "Family tree of Spijk and her many ancestors", database, Genealogy Online (https://www.genealogieonline.nl/van-spijk-stamboom/I84669.php : accessed January 29, 2026), "Anthonij Abraham Boxhoorn (1926-1927)".
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