January 31 » Czechoslav Trade Union Association is founded in Prague.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage April 24, 1920
The temperature on April 24, 1920 was between 1.3 °C and 16.3 °C and averaged 10.4 °C. There was 0.2 mm of rain. There was 3.3 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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 19 » The American Civil Liberties Union (ACLU) is founded.
February 29 » Czechoslovak National Assembly adopts the Constitution.
March 8 » The Arab Kingdom of Syria, the first modern Arab state to come into existence, is established.
June 11 » During the U.S. Republican National Convention in Chicago, U.S. Republican Party leaders gathered in a room at the Blackstone Hotel to come to a consensus on their candidate for the U.S. presidential election, leading the Associated Press to coin the political phrase "smoke-filled room".
November 12 » Italy and the Kingdom of Serbs, Croats and Slovenes sign the Treaty of Rapallo.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
Day of death March 8, 1975
The temperature on March 8, 1975 was between 3.1 °C and 9.4 °C and averaged 6.8 °C. There was 0.4 mm of rain during 0.6 hours. There was 0.8 hours of sunshine (7%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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.
March 6 » For the first time the Zapruder film of the assassination of John F. Kennedy is shown in motion to a national TV audience by Robert J. Groden and Dick Gregory.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
April 29 » Vietnam War: Operation Frequent Wind: The U.S. begins to evacuate U.S. citizens from Saigon before an expected North Vietnamese takeover. U.S. involvement in the war comes to an end.
July 5 » Arthur Ashe becomes the first black man to win the Wimbledon singles title.
August 15 » Takeo Miki makes the first official pilgrimage to Yasukuni Shrine by an incumbent prime minister on the anniversary of the end of World War II.
When copying data from this family tree, please include a reference to the origin: Peter Ressing, "Ressing stamboom", database, Genealogy Online (https://www.genealogieonline.nl/ressing-stamboom/I111.php : accessed March 13, 2026), "Hendrikus Johannes Roelvink (1897-1975)".
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