March 2 » United States Steel Corporation is founded as a result of a merger between Carnegie Steel Company and Federal Steel Company which became the first corporation in the world with a market capital over $1 billion.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage June 24, 1920
The temperature on June 24, 1920 was between 6.7 °C and 20.3 °C and averaged 13.7 °C. There was 12.6 hours of sunshine (75%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 23 » The Netherlands refuses to surrender the exiled Kaiser Wilhelm II of Germany to the Allies.
March 22 » Azeri and Turkish army soldiers with participation of Kurdish gangs attacked the Armenian inhabitants of Shushi (Nagorno Karabakh).
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
November 15 » The Free City of Danzig is established.
December 22 » The GOELRO economic development plan is adopted by the 8th Congress of Soviets of the Russian SFSR.
Day of death February 4, 1970
The temperature on February 4, 1970 was between 1.3 °C and 6.1 °C and averaged 3.6 °C. There was 0.9 mm of rain during 0.7 hours. There was 1.0 hours of sunshine (11%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 15 » Muammar Gaddafi is proclaimed premier of Libya.
May 1 » Vietnam War: Protests erupt following the announcement by Richard Nixon that the U.S. and South Vietnamese forces would attack Vietnamese communists in a Cambodian Campaign.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
October 26 » Muhammad Ali boxes for the first time after Ali's three-year hiatus due to draft evasion.
November 5 » The Military Assistance Command, Vietnam reports the lowest weekly American soldier death toll in five years (24).
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I5062.php : accessed February 28, 2026), "Grietje Volckmann (1901-1970)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.