The temperature on January 4, 1921 was between 6.0 °C and 9.2 °C and averaged 8.0 °C. There was 2.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 17 » The Second Polish Republic adopts the March Constitution.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 11 » A truce in the Irish War of Independence comes into effect.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
Day of death May 27, 1979
The temperature on May 27, 1979 was between 8.2 °C and 16.9 °C and averaged 11.5 °C. There was 0.7 mm of rain during 0.2 hours. There was 4.5 hours of sunshine (28%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 5 » Soviet probes Venera 11, Venera 12 and the German-American solar satellite Helios II all are hit by "off the scale" gamma rays leading to the discovery of soft gamma repeaters.
July 16 » Iraqi President Ahmed Hassan al-Bakr resigns and is replaced by Saddam Hussein.
November 1 » Griselda Álvarez becomes the first female governor of a state of Mexico.
November 9 » Cold War: Nuclear false alarm: The NORAD computers and the Alternate National Military Command Center in Fort Ritchie, Maryland detected purported massive Soviet nuclear strike. After reviewing the raw data from satellites and checking the early-warning radars, the alert is cancelled.
December 4 » The Hastie fire in Hull kills three schoolboys and eventually leads police to arrest Bruce George Peter Lee.
December 16 » Libya joins four other OPEC nations in raising crude oil prices, which has an immediate, dramatic effect on the United States.
When copying data from this family tree, please include a reference to the origin: Michelle, "Family tree Gravekamp", database, Genealogy Online (https://www.genealogieonline.nl/gravekamp-stamboom/I149.php : accessed February 6, 2026), "Johannes Gravekamp (1921-1979)".
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