The temperature on July 1, 1911 was between 11.9 °C and 18.0 °C and averaged 14.2 °C. There was 2.8 mm of rain. There was 2.8 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 21 » The first Monte Carlo Rally takes place.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of marriage March 18, 1938
The temperature on March 18, 1938 was between 5.4 °C and 12.7 °C and averaged 9.4 °C. There was 1.1 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
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.
June 24 » Pieces of a meteorite land near Chicora, Pennsylvania. The meteorite is estimated to have weighed 450metric tons when it hit the Earth's atmosphere and exploded.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 30 » Britain, France, Germany and Italy sign the Munich Agreement, whereby Germany annexes the Sudetenland region of Czechoslovakia.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I166482.php : accessed October 22, 2026), "Lutske Gjaltema (1911-)".
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