Family tree Jonker » Roelof Koopmans (1867-1962)

Personal data Roelof Koopmans 


Household of Roelof Koopmans

He is married to Aaltje Jonker.

They got married on February 8, 1912 at Emmen, he was 44 years old.


Timeline Roelof Koopmans

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Ancestors (and descendant) of Roelof Koopmans

Roelof Koopmans
1867-1962

1912

Aaltje Jonker
1870-1965


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Historical events

Birthday August 1, 1867

  • The temperature on August 1, 1867 was about 17.3 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
  • In the year 1867: Source: Wikipedia
    • The Netherlands had about 3.6 million citizens.
    • February 17 » The first ship passes through the Suez Canal.
    • March 30 » Alaska is purchased from Russia for $7.2 million, about 2-cent/acre ($4.19/km²), by United States Secretary of State William H. Seward.
    • April 1 » Singapore becomes a British crown colony.
    • September 28 » Toronto becomes the capital of Ontario, having also been the capital of Ontario's predecessors since 1796.
    • October 21 » The Medicine Lodge Treaty is signed by southern Great Plains Indian leaders. The treaty requires Native American Plains tribes to relocate to a reservation in western Oklahoma.
    • December 2 » At Tremont Temple in Boston, British author Charles Dickens gives his first public reading in the United States.

Day of marriage February 8, 1912

  • The temperature on February 8, 1912 was between 5.1 °C and 9.9 °C and averaged 7.2 °C. There was 0.3 mm of rain. There was 0.9 hours of sunshine (9%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south east. 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 February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
  • In the year 1912: Source: Wikipedia
    • The Netherlands had about 6.0 million citizens.
    • March 6 » Italo-Turkish War: Italian forces become the first to use airships in war, as two dirigibles drop bombs on Turkish troops encamped at Janzur, from an altitude of 6,000 feet.
    • April 14 » The British passenger liner RMSTitanic hits an iceberg in the North Atlantic at 23:40 (sinks morning of April 15th).
    • May 13 » The Royal Flying Corps, the forerunner of the Royal Air Force, is established in the United Kingdom.
    • October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
    • November 5 » Woodrow Wilson is elected the 28th President of the United States, defeating incumbent William Howard Taft.
    • November 27 » Spain declares a protectorate over the north shore of Morocco.

Day of death May 6, 1962

  • The temperature on May 6, 1962 was between 12.0 °C and 14.8 °C and averaged 13.1 °C. There was 2.9 mm of rain during 4.8 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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)
  • In The Netherlands , there was from May 19, 1959 to July 24, 1964 the cabinet De Quay, with Prof. dr. J.E. de Quay (KVP) as prime minister.
  • In the year 1962: Source: Wikipedia
    • The Netherlands had about 11.7 million citizens.
    • February 8 » Charonne massacre. Nine trade unionists are killed by French police at the instigation of Nazi collaborator Maurice Papon, then chief of the Paris Prefecture of Police.
    • March 4 » A Caledonian Airways Douglas DC-7 crashes shortly after takeoff from Cameroon, killing 111 - the worst crash of a DC-7.
    • June 2 » During the FIFA World Cup, police had to intervene multiple times in fights between Chilean and Italian players in one of the most violent games in football history.
    • July 23 » Jackie Robinson becomes the first African American to be inducted into the National Baseball Hall of Fame.
    • August 15 » James Joseph Dresnok defects to North Korea after running across the Korean Demilitarized Zone. Dresnok died in 2016.
    • October 13 » The Pacific Northwest experiences a cyclone the equal of a Cat 3 hurricane, with winds above 150mph. 46 people die.


Same birth/death day

Source: Wikipedia

Source: Wikipedia

  • 1959 » Maria Dulęba, Polish actress (b. 1881)
  • 1959 » Ragnar Nurkse, Estonian-American economist and academic (b. 1907)
  • 1961 » Lucian Blaga, Romanian poet, playwright, and philosopher (b. 1895)
  • 1963 » Monty Woolley, American raconteur, actor, and director (b. 1888)
  • 1963 » Ted Weems, American violinist, trombonist, and bandleader (b. 1901)
  • 1963 » Theodore von Kármán, Hungarian-American mathematician, physicist, and engineer (b. 1881)

About the surname Koopmans

  • View the information that Genealogie Online has about the surname Koopmans.
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The Family tree Jonker publication was prepared by Hendrik Willem Jonker (contact is not possible).
When copying data from this family tree, please include a reference to the origin:
Hendrik Willem Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jonker/I902.php : accessed February 3, 2026), "Roelof Koopmans (1867-1962)".