The temperature on January 23, 1929 was between 0.3 °C and 3.1 °C and averaged 1.7 °C. There was 1.4 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
August 11 » Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.
October 7 » Photius II becomes Ecumenical Patriarch of Constantinople.
October 29 » The New York Stock Exchange crashes in what will be called the Crash of '29 or "Black Tuesday", ending the Great Bull Market of the 1920s and beginning the Great Depression.
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.
November 29 » U.S. Admiral Richard E. Byrd leads the first expedition to fly over the South Pole.
December 19 » The Indian National Congress promulgates the Purna Swaraj (the Declaration of the Independence of India).
Day of death July 25, 1948
The temperature on July 25, 1948 was between 7.9 °C and 24.3 °C and averaged 17.8 °C. There was 14.1 hours of sunshine (89%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
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.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
March 17 » Belgium, France, Luxembourg, the Netherlands and the United Kingdom sign the Treaty of Brussels, a precursor to the North Atlantic Treaty establishing NATO.
May 18 » The First Legislative Yuan of the Republic of China officially convenes in Nanking.
May 29 » United Nations Truce Supervision Organization is founded.
August 23 » World Council of Churches is formed by 147 churches from 44 countries.
September 13 » Deputy Prime Minister of India Vallabhbhai Patel orders the Army to move into Hyderabad to integrate it with the Indian Union.
September 22 » Gail Halvorsen officially starts parachuting candy to children as part of the Berlin Airlift.
When copying data from this family tree, please include a reference to the origin: Robert Postma, "Family tree Postma-Heemskerk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-postma-heemskerk/I525940.php : accessed February 20, 2026), "Jacob Heemskerk (1929-1948)".
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