Family tree Plugboer » Johannes Proper (1886-1975)

Personal data Johannes Proper 


Household of Johannes Proper

He is married to Johanna Jacoba Coenradina Adriana van Heulen.

They got married on November 21, 1939 at Amsterdam, he was 53 years old.

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Historical events

Birthday April 9, 1886

  • The temperature on April 9, 1886 was about 8.3 °C. There was 2 mm of rain. The air pressure was 30 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 77%. Source: KNMI
  • Koning Willem III (Huis van Oranje-Nassau) was from 1849 till 1890 sovereign of the Netherlands (also known as Koninkrijk der Nederlanden)
  • In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
  • In the year 1886: Source: Wikipedia
    • The Netherlands had about 4.5 million citizens.
    • January 18 » Modern field hockey is born with the formation of The Hockey Association in England.
    • January 29 » Karl Benz patents the first successful gasoline-driven automobile.
    • May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
    • June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
    • July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
    • July 4 » The Canadian Pacific Railway's first scheduled train from Montreal arrives in Port Moody on the Pacific coast, after six days of travel.

Day of death May 12, 1975

  • The temperature on May 12, 1975 was between 3.2 °C and 14.1 °C and averaged 9.5 °C. There was -0.1 mm of rain. There was 9.8 hours of sunshine (63%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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 Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
  • In the year 1975: Source: Wikipedia
    • The Netherlands had about 13.6 million citizens.
    • January 5 » The Tasman Bridge in Tasmania, Australia, is struck by the bulk ore carrier Lake Illawarra, killing twelve people.
    • February 13 » Fire at One World Trade Center (North Tower) of the World Trade Center in New York.
    • April 28 » General Cao Văn Viên, chief of the South Vietnamese military, departs for the US as the North Vietnamese Army closed in on victory.
    • May 30 » European Space Agency is established.
    • July 17 » Apollo–Soyuz Test Project: An American Apollo and a Soviet Soyuz spacecraft dock with each other in orbit marking the first such link-up between spacecraft from the two nations.
    • November 22 » Juan Carlos is declared King of Spain following the death of Francisco Franco.


Same birth/death day

Source: Wikipedia

Source: Wikipedia


About the surname Proper

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When copying data from this family tree, please include a reference to the origin:
Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I19019.php : accessed February 4, 2026), "Johannes Proper (1886-1975)".