June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of marriage August 14, 1920
The temperature on August 14, 1920 was between 8.9 °C and 22.5 °C and averaged 15.6 °C. There was 8.3 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
February 9 » Under the terms of the Svalbard Treaty, international diplomacy recognizes Norwegian sovereignty over Arctic archipelago Svalbard, and designates it as demilitarized.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
April 28 » Azerbaijan is added to the Soviet Union.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
September 16 » The Wall Street bombing: A bomb in a horse wagon explodes in front of the J. P. Morgan building in New York City killing 38 and injuring 400.
Day of death May 17, 1974
The temperature on May 17, 1974 was between 8.8 °C and 20.5 °C and averaged 15.1 °C. There was 13.4 hours of sunshine (85%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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 29 » NASA's Mariner 10 becomes the first space probe to fly by Mercury.
April 8 » At Atlanta–Fulton County Stadium, Hank Aaron hits his 715th career home run to surpass Babe Ruth's 39-year-old record.
May 9 » Watergate scandal: The United States House Committee on the Judiciary opens formal and public impeachment hearings against President Richard Nixon.
June 29 » Mikhail Baryshnikov defects from the Soviet Union to Canada while on tour with the Kirov Ballet.
October 30 » The Rumble in the Jungle boxing match between Muhammad Ali and George Foreman takes place in Zaire.
Day of burial May 21, 1974
The temperature on May 21, 1974 was between 8.3 °C and 18.8 °C and averaged 14.0 °C. There was 3.5 mm of rain during 1.5 hours. There was 2.2 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
February 4 » The Symbionese Liberation Army kidnaps Patty Hearst in Berkeley, California.
April 29 » Watergate scandal: United States President Richard Nixon announces the release of edited transcripts of White House tape recordings relating to the scandal.
May 30 » The Airbus A300 passenger aircraft first enters service.
September 12 » Emperor Haile Selassie of Ethiopia, 'Messiah' of the Rastafari movement, is deposed following a military coup by the Derg, ending a reign of 58 years.
October 30 » The Rumble in the Jungle boxing match between Muhammad Ali and George Foreman takes place in Zaire.
December 13 » Malta becomes a republic within the Commonwealth of Nations.
When copying data from this family tree, please include a reference to the origin: Jan Werkman, "Family tree Jan Werkman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jan-werkman/I61123.php : accessed June 21, 2024), "Jacobus Harmannus Springelkamp (1897-1974)".
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