The temperature on July 6, 1912 was between 11.0 °C and 23.3 °C and averaged 18.1 °C. There was 10.6 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 25 » Marie-Adélaïde, the eldest of six daughters of Guillaume IV, becomes the first reigning Grand Duchess of Luxembourg.
July 8 » Henrique Mitchell de Paiva Couceiro leads an unsuccessful royalist attack against the First Portuguese Republic in Chaves.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 18 » First Balkan War: King Peter I of Serbia issues a declaration "To the Serbian People", as his country joins the war.
Day of marriage September 2, 1938
The temperature on September 2, 1938 was between 6.0 °C and 18.8 °C and averaged 11.7 °C. There was 5.2 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
February 11 » BBC Television produces the world's first ever science fiction television programme, an adaptation of a section of the Karel Čapek play R.U.R., that coined the term "robot".
April 10 » The 1938 German parliamentary election and referendum seeks approval for a single list of Nazi candidates and the recent annexation of Austria.
August 18 » The Thousand Islands Bridge, connecting New York, United States with Ontario, Canada over the Saint Lawrence River, is dedicated by U.S. President Franklin D. Roosevelt.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
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/I138581.php : accessed December 27, 2025), "Pieter Helmhout (1912-)".
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