The temperature on May 15, 1943 was between 7.7 °C and 18.9 °C and averaged 14.1 °C. There was 0.1 mm of rain. There was 13.3 hours of sunshine (85%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
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 24 » World War II: Franklin D. Roosevelt and Winston Churchill conclude a conference in Casablanca.
March 5 » First Flight of the Gloster Meteor, Britain's first combat jet aircraft.
April 30 » World War II: The British submarine HMSSeraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans.
July 23 » The Rayleigh bath chair murder occurred in Rayleigh, Essex, England.
November 5 » World War II: Bombing of the Vatican.
December 2 » World War II: A Luftwaffe bombing raid on the harbour of Bari, Italy, sinks numerous cargo and transport ships, including the American SSJohn Harvey, which is carrying a stockpile of World War I-era mustard gas.
Day of death September 18, 1946
The temperature on September 18, 1946 was between 10.5 °C and 16.6 °C and averaged 13.9 °C. There was 14.2 mm of rain during 7.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 10 » The United States Army Signal Corps successfully conducts Project Diana, bouncing radio waves off the Moon and receiving the reflected signals.
April 29 » The International Military Tribunal for the Far East convenes and indicts former Prime Minister of Japan Hideki Tojo and 28 former Japanese leaders for war crimes.
July 5 » Micheline Bernardini models the first modern bikini at a swimming pool in Paris.
August 3 » Santa Claus Land, the world's first themed amusement park, opens in Santa Claus, Indiana, United States.
August 7 » The government of the Soviet Union presented a note to its Turkish counterparts which refuted the latter's sovereignty over the Turkish Straits, thus beginning the Turkish Straits crisis.
December 7 » A fire at the Winecoff Hotel in Atlanta, Georgia kills 119 people, the deadliest hotel fire in U.S. history.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I481.php : accessed January 7, 2026), "Grietje Boltjes (1943-1946)".
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