Dreyer Tree » Roelof Jacobus Coertze (1897-1980)

Personal data Roelof Jacobus Coertze 


Household of Roelof Jacobus Coertze

He is married to Susanna Catharina Johanna Magdalena Dreyer.

They got married on April 30, 1921 at Swartruggens, Rustenburg, Transvaal, South Africa, he was 23 years old.


Child(ren):

  1. (Not public)
  2. (Not public)

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Ancestors (and descendant) of Roelof Jacobus Coertze

Roelof Jacobus Coertze
1897-1980

1921

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Historical events

  • The temperature on August 28, 1897 was about 16.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Regentes Emma (Huis van Oranje-Nassau) was from 1890 till 1898 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
  • In The Netherlands , there was from July 27, 1897 to August 1, 1901 the cabinet Pierson, with Mr. N.G. Pierson (unie-liberaal) as prime minister.
  • In the year 1897: Source: Wikipedia
    • The Netherlands had about 5.1 million citizens.
    • January 31 » Czechoslav Trade Union Association is founded in Prague.
    • April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
    • April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
    • June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
    • August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
    • September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
  • The temperature on April 30, 1921 was between 6.8 °C and 20.2 °C and averaged 13.7 °C. There was 12.0 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
  • Koningin Wilhelmina (Huis van Oranje-Nassau) was from 1890 till 1948 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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.
  • In the year 1921: Source: Wikipedia
    • The Netherlands had about 6.9 million citizens.
    • January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
    • February 22 » After Russian forces under Baron Roman von Ungern-Sternberg drive the Chinese out, the Bogd Khan is reinstalled as the emperor of Mongolia.
    • May 8 » The creation of the Communist Party of Romania.
    • September 11 » Nahalal, the first moshav in Palestine, is settled as part of a Zionist plan of creating a Jewish state, later to be Israel.
    • October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
    • November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.
  • The temperature on September 2, 1980 was between 7.3 °C and 20.5 °C and averaged 14.1 °C. There was -0.1 mm of rain. There was 10.5 hours of sunshine (77%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
  • Koningin Juliana (Huis van Oranje-Nassau) was from September 4, 1948 till April 30, 1980 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • Koningin Beatrix (Huis van Oranje-Nassau) was from April 30, 1980 till April 30, 2013 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • 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 year 1980: Source: Wikipedia
    • The Netherlands had about 14.1 million citizens.
    • February 24 » The United States Olympic hockey team completes its Miracle on Ice by defeating Finland 4–2 to win the gold medal.
    • July 29 » Iran adopts a new "holy" flag after the Islamic Revolution.
    • July 30 » Vanuatu gains independence.
    • August 27 » A massive bomb planted by extortionist John Birges explodes at Harvey's Resort Hotel in Stateline, Nevada after a failed disarming attempt by the FBI. Although the hotel is damaged, no one is injured.
    • September 18 » Soyuz 38 carries two cosmonauts (including one Cuban) to the Salyut 6 space station.
    • September 22 » Iraq invades Iran.


Same birth/death day

Source: Wikipedia

  • 1894 » Karl Böhm, Austrian conductor and director († 1981)
  • 1896 » Firaq Gorakhpuri, Indian author, poet, and critic († 1982)
  • 1898 » Charlie Grimm, American baseball player, manager, and sportscaster († 1983)
  • 1899 » Andrei Platonov, Russian author and poet († 1951)
  • 1899 » Charles Boyer, French-American actor, singer, and producer († 1978)
  • 1899 » James Wong Howe, Chinese American cinematographer († 1976)

Source: Wikipedia


About the surname Coertze

  • View the information that Genealogie Online has about the surname Coertze.
  • Check the information Open Archives has about Coertze.
  • Check the Wie (onder)zoekt wie? register to see who is (re)searching Coertze.

The Dreyer Tree publication was prepared by .contact the author
When copying data from this family tree, please include a reference to the origin:
Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I18762.php : accessed January 29, 2026), "Roelof Jacobus Coertze (1897-1980)".