January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
October 19 » Max Planck discovers Planck's law of black-body radiation.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
Day of marriage April 9, 1930
The temperature on April 9, 1930 was between 5.3 °C and 13.7 °C and averaged 8.8 °C. There was 2.4 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 26 » The Indian National Congress declares 26 January as Independence Day or as the day for Poorna Swaraj ("Complete Independence") which occurred 17 years later.
May 27 » The 1,046 feet (319m) Chrysler Building in New York City, the tallest man-made structure at the time, opens to the public.
August 16 » The first color sound cartoon, Fiddlesticks, is released by Ub Iwerks.
November 3 » Getúlio Vargas becomes Head of the Provisional Government in Brazil after a bloodless coup on October 24.
December 7 » W1XAV in Boston, Massachusetts telecasts video from the CBS radio orchestra program, The Fox Trappers. The telecast also includes the first television commercial in the United States, an advertisement for I.J. Fox Furriers, who sponsored the radio show.
December 16 » Bank robber Herman Lamm and members of his crew are killed by a 200-strong posse, following a botched bank robbery, in Clinton, Indiana.
Day of death September 12, 1959
The temperature on September 12, 1959 was between 11.1 °C and 28.2 °C and averaged 18.8 °C. There was 10.4 hours of sunshine (80%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
March 31 » The 14th Dalai Lama, crosses the border into India and is granted political asylum.
May 19 » The North Vietnamese Army establishes Group 559, whose responsibility is to determine how to maintain supply lines to South Vietnam; the resulting route is the Ho Chi Minh trail.
June 9 » The USSGeorge Washington is launched. It is the first nuclear-powered ballistic missile submarine.
August 7 » Explorer program: Explorer 6 launches from the Atlantic Missile Range in Cape Canaveral, Florida.
November 2 » Quiz show scandals: Twenty-One game show contestant Charles Van Doren admits to a Congressional committee that he had been given questions and answers in advance.
December 1 » Cold War: Opening date for signature of the Antarctic Treaty, which sets aside Antarctica as a scientific preserve and bans military activity on the continent.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I1545.php : accessed March 16, 2026), "Hermina Hartlief (1900-1959)".
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