The temperature on July 7, 1889 was about 19.2 °C. The air pressure was 28 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
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.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
Day of marriage August 1, 1951
The temperature on August 1, 1951 was between 17.8 °C and 24.2 °C and averaged 20.6 °C. There was 7.1 mm of rain during 2.8 hours. There was 4.7 hours of sunshine (30%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
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).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
February 6 » The Broker, a Pennsylvania Railroad passenger train derails near Woodbridge Township, New Jersey. The accident kills 85 people and injures over 500 more. The wreck is one of the worst rail disasters in American history.
February 25 » The first Pan American Games are officially opened in Buenos Aires by Argentine President Juan Perón.
March 15 » Iranian oil industry is nationalized.
May 21 » The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School.
June 23 » The ocean liner SS United States is christened and launched.
October 15 » Mexican chemist Luis E. Miramontes completes the synthesis of norethisterone, the basis of an early oral contraceptive.
Day of death January 12, 1973
The temperature on January 12, 1973 was between -1.4 °C and 3.0 °C and averaged 1.9 °C. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
April 1 » Project Tiger, a tiger conservation project, is launched in the Jim Corbett National Park, India.
May 17 » Watergate scandal: Televised hearings begin in the United States Senate.
July 12 » A fire destroys the entire sixth floor of the National Personnel Records Center of the United States.
November 1 » Watergate scandal: Leon Jaworski is appointed as the new Watergate Special Prosecutor.
November 7 » The United States Congress overrides President Richard M. Nixon's veto of the War Powers Resolution, which limits presidential power to wage war without congressional approval.
December 15 » The American Psychiatric Association votes 13–0 to remove homosexuality from its official list of psychiatric disorders, the DSM-II.
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/I4728.php : accessed February 23, 2026), "Cornelis Hartog (1889-1973)".
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