Family tree Klavers » Roelof Jansen (1917-1924)
Personal data Roelof Jansen
- He was born on May 12, 1917 in Beilen, Drenthe.Source 1
- Fact: (vermelding) Bloedverwantschap met Jordi en Quinten Klavers in %: 0,0122.
- He died on September 11, 1924 in Groningen, he was 7 years old.Source 2
- A child of Willem Jansen and Grietje Ovinge
- This information was last updated on May 5, 2024.
Household of Roelof Jansen
Timeline Roelof Jansen
This functionality is only available in Javascript supporting browsers.
Click on the names for more info.
Symbols used: 
grandparents
parents
brothers/sisters
children
grandparents
parents
brothers/sisters
children
Ancestors (and descendant) of Roelof Jansen
Roelof Jansen | ||||||||||||||||||
Sources
- (Not public)
- (Not public)
Historical events
Birthday May 12, 1917
- The temperature on May 12, 1917 was between 10.1 °C and 27.0 °C and averaged 19.2 °C. There was 7.8 hours of sunshine (50%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 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 1917: Source: Wikipedia
- The Netherlands had about 6.5 million citizens.
- February 24 » World War I: The U.S. ambassador Walter Hines Page to the United Kingdom is given the Zimmermann Telegram, in which Germany pledges to ensure the return of New Mexico, Texas, and Arizona to Mexico if Mexico declares war on the United States.
- April 6 » World War I: The United States declares war on Germany (see President Woodrow Wilson's address to Congress).
- June 11 » King Alexander assumes the throne of Greece after his father, Constantine I, abdicates under pressure from allied armies occupying Athens.
- September 26 » World War I: The Battle of Polygon Wood begins.
- November 2 » The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
- December 11 » World War I: British General Edmund Allenby enters Jerusalem on foot and declares martial law.
Day of death September 11, 1924
- The temperature on September 11, 1924 was between 4.3 °C and 16.8 °C and averaged 12.2 °C. There was 5.8 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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 September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
- In the year 1924: Source: Wikipedia
- The Netherlands had about 7.2 million citizens.
- January 22 » Ramsay MacDonald becomes the first Labour Prime Minister of the United Kingdom.
- February 5 » The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal.
- March 16 » In accordance with the Treaty of Rome, Fiume becomes annexed as part of Italy.
- April 15 » Rand McNally publishes its first road atlas.
- May 8 » The Klaipėda Convention is signed formally incorporating Klaipėda Region (Memel Territory) into Lithuania.
- December 1 » The National Hockey League's first United States-based franchise, the Boston Bruins, played their first game in league play at home, at the still-extant Boston Arena indoor hockey facility.
Same birth/death day
- 1914 » Bertus Aafjes, Dutch poet and author († 1993)
- 1914 » Howard K. Smith, American journalist and actor († 2002)
- 1915 » Tony Strobl, American comics artist and animator († 1991)
- 1916 » Albert Murray, American author and critic († 2013)
- 1918 » Julius Rosenberg, American spy († 1953)
- 1918 » Mary Kay Ash, American businesswoman, founded Mary Kay Cosmetics († 2001)
- 1915 » William Sprague IV, American businessman and politician, 27th Governor of Rhode Island (b. 1830)
- 1917 » Georges Guynemer, French captain and pilot (b. 1894)
- 1921 » Subramania Bharati, Indian journalist, poet, and activist (b. 1882)
- 1926 » Matsunosuke Onoe, Japanese actor and director (b. 1875)
- 1932 » Franciszek Żwirko, Polish soldier and pilot (b. 1895)
- 1932 » Stanisław Wigura, Polish pilot and businessman, co-founded the RWD Company (b. 1901)
About the surname Jansen
- View the information that Genealogie Online has about the surname Jansen.
- Check the information Open Archives has about Jansen.
- Check the Wie (onder)zoekt wie? register to see who is (re)searching Jansen.
The Family tree Klavers publication was prepared by Joop Klavers.
When copying data from this family tree, please include a reference to the origin:
Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I229746.php : accessed February 20, 2026), "Roelof Jansen (1917-1924)".
Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I229746.php : accessed February 20, 2026), "Roelof Jansen (1917-1924)".