The temperature on April 20, 1938 was between -0.6 °C and 11.1 °C and averaged 5.2 °C. There was 8.5 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
May 25 » Spanish Civil War: The bombing of Alicante kills 313 people.
June 7 » Second Sino-Japanese War: The Chinese Nationalist government creates the 1938 Yellow River flood to halt Japanese forces. Five hundred to nine hundred thousand civilians are killed.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
September 27 » The ocean liner Queen Elizabeth is launched in Glasgow.
October 14 » The first flight of the Curtiss P-40 Warhawk fighter plane.
When copying data from this family tree, please include a reference to the origin: Murphy Torn, "Family tree Torn", database, Genealogy Online (https://www.genealogieonline.nl/torn-stamboom/P4096.php : accessed January 3, 2026), "Nicolaas Jan Calkoen (1854-1938)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.