The temperature on April 1, 1915 was between -4.0 °C and 11.5 °C and averaged 3.7 °C. There was 10.9 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
January 26 » The Rocky Mountain National Park is established by an act of the U.S. Congress.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
May 6 » Babe Ruth, then a pitcher for the Boston Red Sox, hits his first major league home run.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
October 12 » World War I: British nurse Edith Cavell is executed by a German firing squad for helping Allied soldiers escape from Belgium
Day of marriage December 23, 1939
The temperature on December 23, 1939 was between -6.4 °C and 1.5 °C and averaged -2.0 °C. 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.
March 23 » The Hungarian air force attacks the headquarters of the Slovak air force in Spišská Nová Ves, killing 13 people and beginning the Slovak–Hungarian War.
April 10 » Alcoholics Anonymous, A.A.'s "Big Book", is first published.
August 23 » World War II: Nazi Germany and the Soviet Union sign a non-aggression treaty, the Molotov–Ribbentrop Pact. In a secret addition to the pact, the Baltic states, Finland, Romania, and Poland are divided between the two nations.
September 1 » The Wound Badge for Wehrmacht, SS, Kriegsmarine, and Luftwaffe soldiers is instituted. The final version of the Iron Cross is also instituted on this date.
November 23 » World War II: HMSRawalpindi is sunk by the German battleships Scharnhorst and Gneisenau.
December 14 » Winter War: The Soviet Union is expelled from the League of Nations for invading Finland.
Day of death May 5, 1960
The temperature on May 5, 1960 was between 0.2 °C and 20.3 °C and averaged 12.3 °C. There was 12.7 hours of sunshine (84%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 8 » Queen Elizabeth II of the United Kingdom issues an Order-in-Council, stating that she and her family would be known as the House of Windsor, and that her descendants will take the name Mountbatten-Windsor.
April 19 » Students in South Korea hold a nationwide pro-democracy protest against president Syngman Rhee, eventually forcing him to resign.
April 25 » The United States Navy submarine USSTriton completes the first submerged circumnavigation of the globe.
May 1 » Formation of the western Indian states of Gujarat and Maharashtra; also known as "Maharashtra Day".
August 16 » Joseph Kittinger parachutes from a balloon over New Mexico at 102,800 feet (31,300m), setting three records that held until 2012: High-altitude jump, free fall, and highest speed by a human without an aircraft.
September 14 » Congo Crisis: With CIA help, Mobutu Sese Seko seizes power in a military coup, suspending parliament and the constitution.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I89282.php : accessed January 29, 2026), "Albertje Potze (1915-1960)".
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