The temperature on August 20, 1943 was between 11.8 °C and 27.0 °C and averaged 20.7 °C. There was 10.5 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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.
March 14 » The liquidation of the Kraków Ghetto is completed.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
August 31 » USSHarmon, the first U.S. Navy ship to be named after a black person, is commissioned.
October 16 » Holocaust in Italy: Raid of the Ghetto of Rome.
November 20 » World War II: Battle of Tarawa (Operation Galvanic) begins: United States Marines land on Tarawa Atoll in the Gilbert Islands and suffer heavy fire from Japanese shore guns and machine guns.
December 5 » World War II: Allied air forces begin attacking Germany's secret weapons bases in Operation Crossbow.
Day of death December 31, 1967
The temperature on December 31, 1967 was between -0.8 °C and 2.8 °C and averaged 0.6 °C. There was 12.5 mm of rain during 5.9 hours. There was 0.6 hours of sunshine (8%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 18 » Albert DeSalvo, the "Boston Strangler", is convicted of numerous crimes and is sentenced to life imprisonment.
January 27 » Apollo program: Astronauts Gus Grissom, Ed White and Roger Chaffee are killed in a fire during a test of their Apollo 1 spacecraft at the Kennedy Space Center, Florida.
March 7 » The Majelis Permusyawaratan Rakyat Sementara (MPRS), Indonesia's provisional parliament, revoked Sukarno's mandate as President of Indonesia.
May 24 » Egypt imposes a blockade and siege of the Red Sea coast of Israel.
June 14 » Mariner program: Mariner 5 is launched towards Venus.
November 22 » UN Security Council Resolution 242 is adopted, establishing a set of the principles aimed at guiding negotiations for an Arab–Israeli peace settlement.
When copying data from this family tree, please include a reference to the origin: Dirk Kalksma, "Family tree Kalksma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kalksma/I53.php : accessed January 10, 2026), "Rosalina Christina Johanna "Rosa" Kalksma (1943-1967)".
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