The temperature on June 30, 1913 was between 10.2 °C and 14.9 °C and averaged 12.1 °C. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 4 » The United States Department of Labor is formed.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
November 5 » King Otto of Bavaria is deposed by his cousin, Prince Regent Ludwig, who assumes the title Ludwig III.
December 24 » The Italian Hall disaster in Calumet, Michigan results in the deaths of 73 Christmas party participants (including 59 children) when someone falsely yells "fire".
Day of marriage May 15, 1941
The temperature on May 15, 1941 was between 0.6 °C and 12.2 °C and averaged 6.3 °C. There was 6.8 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 2 » World War II: German bombing severely damages the Llandaff Cathedral in Cardiff, Wales, United Kingdom.
January 19 » World War II: HMSGreyhound and other escorts of convoy AS-12 sink Italian submarine Neghelli with all hands 40 miles (64km) northeast of Falkonera.
July 16 » Joe DiMaggio hits safely for the 56th consecutive game, a streak that still stands as an MLB record.
September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
September 8 » World War II: German forces begin the Siege of Leningrad.
December 12 » World War II: Fifty-four Japanese A6M Zero fighters raid Batangas Field, Philippines. Jesús Villamor and four Filipino fighter pilots fend them off; César Basa is killed.
When copying data from this family tree, please include a reference to the origin: A. Hakkert , "Family tree Hakkert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-hakkert/I258.php : accessed February 1, 2026), "Albertje Posthumus (1913-)".
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