The temperature on April 22, 1913 was between 6.7 °C and 19.2 °C and averaged 12.8 °C. There was 9.4 hours of sunshine (66%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. 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 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
April 8 » The 17th Amendment to the United States Constitution, requiring direct election of Senators, becomes law.
July 3 » Confederate veterans at the Great Reunion of 1913 reenact Pickett's Charge; upon reaching the high-water mark of the Confederacy they are met by the outstretched hands of friendship from Union survivors.
July 31 » The Balkan States sign an armistice in Bucharest.
August 16 » Completion of the Royal Navy battlecruiser HMSQueen Mary.
October 31 » The Indianapolis Streetcar Strike and subsequent riot begins.
Day of marriage June 15, 1940
The temperature on June 15, 1940 was between 11.7 °C and 18.1 °C and averaged 14.6 °C. There was 0.2 mm of rain during 0.3 hours. There was 0.8 hours of sunshine (5%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
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.
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.
May 13 » Queen Wilhelmina of the Netherlands flees her country to Great Britain after the German invasion. Princess Juliana takes her children to Canada for their safety.
May 26 » World War II: The Siege of Calais ends with the surrender of the British and French garrison.
June 24 » World War II: Operation Collar, the first British Commando raid on occupied France, by No11 Independent Company.
August 20 » World War II: British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line "Never was so much owed by so many to so few".
September 12 » An explosion at the Hercules Powder Company plant in Kenvil, New Jersey kills 51 people and injures over 200.
December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I190368.php : accessed October 19, 2026), "Lukas Alkema (1913-)".
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