January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage September 21, 1920
The temperature on September 21, 1920 was between 5.0 °C and 16.4 °C and averaged 11.3 °C. There was 0.7 mm of rain. There was 1.8 hours of sunshine (15%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. 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.
January 19 » The United States Senate votes against joining the League of Nations.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
Day of death January 2, 1981
The temperature on January 2, 1981 was between 3.4 °C and 8.4 °C and averaged 6.6 °C. There was 20.1 mm of rain during 15.5 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 2 » One of the largest investigations by a British police force ends when serial killer Peter Sutcliffe, the "Yorkshire Ripper", is arrested in Sheffield, South Yorkshire.
February 6 » The National Resistance Army of Uganda launches an attack on a Ugandan Army installation in the central Mubende District to begin the Ugandan Bush War.
June 24 » The Humber Bridge opens to traffic, connecting Yorkshire and Lincolnshire. It remained the world's longest bridge span for 17years.
June 27 » The Central Committee of the Communist Party of China issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
August 30 » President Mohammad-Ali Rajai and Prime Minister Mohammad-Javad Bahonar of Iran are assassinated in a bombing committed by the People's Mujahedin of Iran.
October 9 » President François Mitterrand abolishes capital punishment in France.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I284664.php : accessed February 18, 2026), "Hendrikus Cornelis Johannes de Jong (1889-1981)".
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