The temperature on April 8, 1939 was between -0.2 °C and 12.8 °C and averaged 6.4 °C. There was 10.5 hours of sunshine (78%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
February 10 » Spanish Civil War: The Nationalists conclude their conquest of Catalonia and seal the border with France.
February 27 » United States labor law: The U.S. Supreme Court rules in NLRB v. Fansteel Metallurgical Corp. that the National Labor Relations Board has no authority to force an employer to rehire workers who engage in sit-down strikes.
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 1 » World War II: Nazi Germany and Slovakia invade Poland, beginning the European phase of World War II.
October 6 » World War II: The Battle of Kock is the final combat of the September Campaign in Poland.
December 22 » Indian Muslims observe a "Day of Deliverance" to celebrate the resignations of members of the Indian National Congress over their not having been consulted over the decision to enter World War II with the United Kingdom.
Day of death April 9, 1939
The average temperature on April 9, 1939 was 8.6 °C. There was 10.9 hours of sunshine (81%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
September 22 » World War II: A joint German–Soviet military parade in Brest-Litovsk is held to celebrate the successful invasion of Poland.
November 15 » In Washington, D.C., US President Franklin D. Roosevelt lays the cornerstone of the Jefferson Memorial.
December 12 » HMSDuchess sinks after a collision with HMSBarham off the coast of Scotland with the loss of 124 men.
December 18 » World War II: The Battle of the Heligoland Bight, the first major air battle of the war, takes place.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I260171.php : accessed January 8, 2026), "Helena Adriana Hendrika van Mook (1939-1939)".
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