The temperature on May 4, 1914 was between 7.5 °C and 17.2 °C and averaged 12.6 °C. There was 0.4 mm of rain. There was 2.9 hours of sunshine (19%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
July 28 » In the culmination of the July Crisis, Austria-Hungary declares war on Serbia, igniting World War I.
August 6 » World War I: First Battle of the Atlantic: Two days after the United Kingdom had declared war on Germany over the German invasion of Belgium, ten German U-boats leave their base in Heligoland to attack Royal Navy warships in the North Sea.
August 29 » World War I: Start of the Battle of St. Quentin in which the French Fifth Army counter-attacked the invading Germans at Saint-Quentin, Aisne.
August 30 » World War I: Germans defeat the Russians in the Battle of Tannenberg.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
December 25 » A series of unofficial truces occur across the Western Front to celebrate Christmas.
Day of marriage April 21, 1939
The temperature on April 21, 1939 was between 4.5 °C and 16.4 °C and averaged 10.6 °C. There was 11.1 hours of sunshine (78%). 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.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
May 22 » World War II: Germany and Italy sign the Pact of Steel.
September 28 » World War II: The siege of Warsaw comes to an end.
October 8 » World War II: Germany annexes western Poland.
December 13 » World War II: Battle of the River Plate: Captain Hans Langsdorff of the German Deutschland-class cruiser (pocket battleship) Admiral Graf Spee engages with Royal Navy cruisers HMSExeter, HMSAjax and HMSAchilles.
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 September 13, 1998
The temperature on September 13, 1998 was between 4.8 °C and 10.9 °C and averaged 8.3 °C. There was 11.8 mm of rain during 7.3 hours. The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
In The Netherlands , there was from Monday, August 3, 1998 to Monday, July 22, 2002 the cabinet Kok II, with W. Kok (PvdA) as prime minister.
January 13 » Alfredo Ormando sets himself on fire in St. Peter's Square, protesting against homophobia.
February 1 » Rear Admiral Lillian E. Fishburne becomes the first female African American to be promoted to rear admiral.
February 3 » Cavalese cable car disaster: a United States military pilot causes the death of 20 people when his low-flying plane cuts the cable of a cable-car near Trento, Italy.
February 28 » Kosovo War: Serbian police begin the offensive against the Kosovo Liberation Army in Kosovo.
July 17 » A diplomatic conference adopts the Rome Statute of the International Criminal Court, establishing a permanent international court to prosecute individuals for genocide, crimes against humanity, war crimes, and the crime of aggression.
September 2 » Swissair Flight 111 crashes near Peggy's Cove, Nova Scotia; all 229 people onboard are killed.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I6654.php : accessed January 18, 2026), "Helena Petronella Dam (1914-1998)".
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