The temperature on January 7, 1904 was between -4.0 °C and -1.0 °C and averaged -2.6 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
May 4 » The United States begins construction of the Panama Canal.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
Day of marriage October 23, 1939
The temperature on October 23, 1939 was between 1.3 °C and 11.7 °C and averaged 7.6 °C. There was 0.5 mm of rain during 0.3 hours. There was 6.3 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
September 2 » World War II: Following the start of the invasion of Poland the previous day, the Free City of Danzig (now Gdańsk, Poland) is annexed by Nazi Germany.
September 28 » World War II: Nazi Germany and the Soviet Union agree on a division of Poland.
December 17 » World War II: Battle of the River Plate: The Admiral Graf Spee is scuttled by Captain Hans Langsdorff outside Montevideo.
December 24 » World War II: Pope Pius XII makes a Christmas Eve appeal for peace.
When copying data from this family tree, please include a reference to the origin: Gerard Mutter, "Family tree De Duffelt", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-duffelt/I246791.php : accessed February 3, 2026), "Roelina Hendrina Alida "1904 " Kalkhoven (1904-)".
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