The temperature on December 11, 1958 was between 2.3 °C and 7.2 °C and averaged 4.5 °C. There was 10.7 mm of rain during 5.6 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 31 » Cold War: Space Race: The first successful American satellite detects the Van Allen radiation belt.
February 3 » Founding of the Benelux Economic Union, creating a testing ground for a later European Economic Community.
May 13 » During a visit to Caracas, Venezuela, Vice President Richard Nixon's car is attacked by anti-American demonstrators.
May 28 » Cuban Revolution: Fidel Castro's 26th of July Movement, heavily reinforced by Frank Pais Militia, overwhelm an army post in El Uvero.
July 25 » The African Regroupment Party holds its first congress in Cotonou.
July 26 » Explorer program: Explorer 4 is launched.
Day of death May 14, 1961
The temperature on May 14, 1961 was between 6.6 °C and 13.7 °C and averaged 9.9 °C. There was 0.1 mm of rain during 0.2 hours. There was 2.1 hours of sunshine (13%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Peter Keesman, "Family tree Keesman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keesman/I29158.php : accessed January 31, 2026), "Johanna Maria Waiboer (1958-1961)".
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