The temperature on April 29, 1940 was between 7.5 °C and 15.7 °C and averaged 10.3 °C. There was 0.1 mm of rain. There was 2.4 hours of sunshine (16%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
June 5 » World War II: After a brief lull in the Battle of France, the Germans renew the offensive against the remaining French divisions south of the River Somme in Operation Fall Rot ("Case Red").
June 7 » King Haakon VII, Crown Prince Olav and the Norwegian government leave Tromsø and go into exile in London. They return exactly five years later.
June 18 » The "Finest Hour" speech is delivered by Winston Churchill.
June 28 » Romania cedes Bessarabia (current-day Moldova) to the Soviet Union after facing an ultimatum.
September 29 » Two Avro Ansons collide in mid-air over New South Wales, Australia, remain locked together, then land safely.
November 8 » Greco-Italian War: The Italian invasion of Greece fails as outnumbered Greek units repulse the Italians in the Battle of Elaia–Kalamas.
Day of marriage May 20, 1960
The temperature on May 20, 1960 was between 9.3 °C and 17.0 °C and averaged 12.8 °C. There was 0.3 mm of rain during 1.0 hours. There was 4.3 hours of sunshine (27%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 1 » Cameroon achieves independence from France and the United Kingdom.
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
May 22 » The Great Chilean earthquake, measuring 9.5 on the moment magnitude scale, hits southern Chile, becoming the most powerful earthquake ever recorded.
June 26 » The former British Protectorate of British Somaliland gains its independence as Somaliland.
June 30 » Belgian Congo gains independence as Republic of the Congo (Léopoldville).
October 4 » An airliner crashes on takeoff from Boston's Logan International Airport, killing 62 people.
When copying data from this family tree, please include a reference to the origin: Gijsbertus Cornelis (Bert) Severijn, "Family tree Severijn", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-severijn/I13833.php : accessed February 11, 2026), "Helen Lucille Dystra (1940-)".
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