The temperature on April 20, 1929 was between 0.4 °C and 10.4 °C and averaged 6.0 °C. There was 4.3 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from March 8, 1926 to August 10, 1929 the cabinet De Geer I, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
June 17 » The town of Murchison, New Zealand Is rocked by a 7.8 magnitude earthquake killing 17. At the time it was New Zealand's worst natural disaster.
August 16 » The 1929 Palestine riots break out in Mandatory Palestine between Palestinian Arabs and Jews and continue until the end of the month. In total, 133 Jews and 116 Arabs are killed.
August 23 » Hebron Massacre during the 1929 Palestine riots: Arab attack on the Jewish community in Hebron in the British Mandate of Palestine, continuing until the next day, resulted in the death of 65–68 Jews and the remaining Jews being forced to leave the city.
October 18 » The Judicial Committee of the Privy Council overrules the Supreme Court of Canada in Edwards v. Canada when it declares that women are considered "Persons" under Canadian law.
November 18 » Grand Banks earthquake: Off the south coast of Newfoundland in the Atlantic Ocean, a Richter magnitude 7.2 submarine earthquake, centered on the Grand Banks, breaks 12 submarine transatlantic telegraph cables and triggers a tsunami that destroys many south coast communities in the Burin Peninsula.
December 3 » President Herbert Hoover delivers his first State of the Union message to Congress. It was presented in the form of a written message rather than a speech.
Day of death June 18, 1978
The temperature on June 18, 1978 was between 7.1 °C and 21.1 °C and averaged 14.6 °C. There was 14.8 hours of sunshine (88%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
April 14 » Tbilisi Demonstrations: Thousands of Georgians demonstrate against Soviet attempts to change the constitutional status of the Georgian language.
April 27 » The Saur Revolution begins in Afghanistan, ending the following morning with the murder of Afghan President Mohammed Daoud Khan and the establishment of the Democratic Republic of Afghanistan.
September 5 » Camp David Accords: Menachem Begin and Anwar Sadat begin peace discussions at Camp David, Maryland.
September 7 » While walking across Waterloo Bridge in London, Bulgarian dissident Georgi Markov is assassinated by Bulgarian secret police agent Francesco Gullino by means of a ricin pellet fired from a specially-designed umbrella.
September 15 » Muhammad Ali outpointed Leon Spinks in a rematch to become the first boxer to win the world heavyweight title three times at the Superdome in New Orleans.
November 27 » In San Francisco, city mayor George Moscone and openly gay city supervisor Harvey Milk are assassinated by former supervisor Dan White.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I293.php : accessed October 25, 2026), "Jan Kommer (1929-1978)".
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