The temperature on July 18, 1915 was between 7.9 °C and 16.8 °C and averaged 13.5 °C. There was 1.2 mm of rain. There was 5.4 hours of sunshine (33%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
May 7 » The Republic of China accedes to 13 of the 21 Demands, extending the Empire of Japan's control over Manchuria and the Chinese economy.
July 7 » The First Battle of the Isonzo comes to an end.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 5 » The pacifist Zimmerwald Conference begins.
Day of marriage June 14, 1939
The temperature on June 14, 1939 was between 2.2 °C and 17.4 °C and averaged 11.4 °C. There was 10.3 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
June 24 » Siam is renamed Thailand by Plaek Phibunsongkhram, the country's third prime minister.
July 6 » Anti-Jewish legislation in prewar Nazi Germany closes the last remaining Jewish enterprises.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 3 » World War II: The United Kingdom and France begin a naval blockade of Germany that lasts until the end of the war. This also marks the beginning of the Battle of the Atlantic.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17368.php : accessed February 11, 2026), "Iris Dreyer (1915-2003)".
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