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

Susanna Catharina Johanna Magdalena Dreyer
1904-1989

(Not public)
(Not public)

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Historical events

Birthday August 28, 1897

  • 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.
    • February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
    • 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 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
    • August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
    • December 6 » London becomes the world's first city to host licensed taxicabs.

Day of marriage April 30, 1921

  • 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 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
    • March 19 » Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork. About 100 Irish Republican Army (IRA) volunteers escape an attempt by over 1,300 British forces to encircle them.
    • May 3 » West Virginia becomes the first state to legislate a broad sales tax, but does not implement it until a number of years later due to enforcement issues.
    • May 31 » The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300.
    • July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
    • November 14 » The Communist Party of Spain is founded, and issues the first edition of Mundo obrero.

Day of death September 2, 1980

  • 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.
    • March 23 » Archbishop Óscar Romero of El Salvador gives his famous speech appealing to men of the El Salvadoran armed forces to stop killing the Salvadorans.
    • May 13 » An F3 tornado hits Kalamazoo County, Michigan. President Jimmy Carter declares it a federal disaster area.
    • July 7 » Institution of sharia law in Iran.
    • October 10 » The Farabundo Martí National Liberation Front is founded in El Salvador.
    • November 20 » Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.
    • November 28 » Iran–Iraq War: Operation Morvarid: The bulk of the Iraqi Navy is destroyed by the Iranian Navy in the Persian Gulf. (Commemorated in Iran as Navy Day.)


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.
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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 24, 2026), "Roelof Jacobus Coertze (1897-1980)".