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 13 » The 6.7 Mw  Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
    • January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
    • May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
    • 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 5 » The pacifist Zimmerwald Conference begins.
    • December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
  • 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.
    • January 7 » Winter War: Battle of Raate Road - The Finnish 9th Division finally defeat the numerically superior Soviet forces on the Raate-Suomussalmi road.
    • April 25 » Merkið, the flag of the Faroe Islands is approved by the British occupation government.
    • May 25 » World War II: The German 2nd Panzer Division captures the port of Boulogne-sur-Mer; the surrender of the last French and British troops marks the end of the Battle of Boulogne.
    • July 20 » Denmark leaves the League of Nations.
    • August 25 » World War II: The first Bombing of Berlin by the British Royal Air Force.
    • December 9 » World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
  • 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.
    • January 27 » The pilot shaft of the Seikan Tunnel, the world's longest sub-aqueous tunnel (53.85km) between the Japanese islands of Honshū and Hokkaidō, breaks through.
    • February 14 » United American Bank of Knoxville, Tennessee collapses. Its president, Jake Butcher, is later convicted of fraud.
    • 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 16 » Sikorsky S-61 disaster: A helicopter crashes off the Isles of Scilly, causing 20 fatalities.
    • September 27 » Richard Stallman announces the GNU Project to develop a free Unix-like operating system.
    • November 5 » Byford Dolphin diving bell accident kills five and leaves one severely injured.


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)".