Dreyer Tree » Roelof Petrus Gerhardus Dreyer (1915-1983)

Personal data Roelof Petrus Gerhardus Dreyer 


Household of Roelof Petrus Gerhardus Dreyer

He is married to (Not public).

They got married on April 24, 1940 at Harrismith, Harrismith, Oranje-Vrystaat, Suid-Afrika, he was 24 years old.


Child(ren):

  1. (Not public)
  2. (Not public)
  3. (Not public)
  4. (Not public)
  5. (Not public)
  6. (Not public)

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Timeline Roelof Petrus Gerhardus Dreyer

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Historical events

  • The temperature on May 12, 1915 was between 2.1 °C and 16.2 °C and averaged 10.6 °C. There was 5.0 mm of rain. There was 2.2 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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 August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
  • In the year 1915: Source: Wikipedia
    • The Netherlands had about 6.3 million citizens.
    • January 17 » Russia defeats Ottoman Turkey in the Battle of Sarikamish during the Caucasus Campaign of World War I.
    • March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
    • April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
    • April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
    • June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
    • September 25 » World War I: The Second Battle of Champagne begins.
  • The temperature on April 24, 1940 was between 12.4 °C and 19.3 °C and averaged 15.7 °C. There was 7.8 mm of rain during 2.2 hours. 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 August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
  • In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
  • In the year 1940: Source: Wikipedia
    • The Netherlands had about 8.8 million citizens.
    • March 18 » World War II: Adolf Hitler and Benito Mussolini meet at the Brenner Pass in the Alps and agree to form an alliance against France and the United Kingdom.
    • May 5 » World War II: Norwegian Campaign: Norwegian squads in Hegra Fortress and Vinjesvingen capitulate to German forces after all other Norwegian forces in southern Norway had laid down their arms.
    • May 9 » World War II: The German submarine U-9 sinks the French coastal submarine Doris near Den Helder.
    • August 6 » Estonia is illegally annexed by the Soviet Union.
    • August 18 » World War II: The Hardest Day air battle, part of the Battle of Britain. At that point, the largest aerial engagement in history with heavy losses sustained on both sides.
    • December 14 » Plutonium (specifically Pu-238) is first isolated at Berkeley, California.
  • The temperature on March 6, 1983 was between 5.8 °C and 10.0 °C and averaged 8.0 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
  • 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 Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
  • In the year 1983: Source: Wikipedia
    • The Netherlands had about 14.3 million citizens.
    • February 18 » Thirteen people die and one is seriously injured in the Wah Mee massacre in Seattle. It is said to be the largest robbery-motivated mass-murder in U.S. history.
    • March 23 » Strategic Defense Initiative: President Ronald Reagan makes his initial proposal to develop technology to intercept enemy missiles.
    • April 25 » Pioneer 10 travels beyond Pluto's orbit.
    • May 6 » The Hitler Diaries are revealed as a hoax after being examined by new experts.
    • June 18 » Mona Mahmudnizhad, together with nine other Bahá'í women, is sentenced to death and hanged in Shiraz, Iran over her religious beliefs.
    • July 23 » Gimli Glider: Air Canada Flight 143 runs out of fuel and makes a deadstick landing at Gimli, Manitoba.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Dreyer

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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/I11122.php : accessed February 1, 2026), "Roelof Petrus Gerhardus Dreyer (1915-1983)".