The temperature on March 15, 1888 was about 0.3 °C. There was 2 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 74 cm mercury. The atmospheric humidity was 96%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 15 » Start of the Anglo-Tibetan War of 1888.
May 12 » In Southeast Asia, the North Borneo Chartered Company's territories become the British protectorate of North Borneo.
May 16 » Nikola Tesla delivers a lecture describing the equipment which will allow efficient generation and use of alternating currents to transmit electric power over long distances.
September 8 » In London, the body of Jack the Ripper's second murder victim, Annie Chapman, is found.
October 14 » Louis Le Prince films the first motion picture, Roundhay Garden Scene.
October 21 » Foundation of the Swiss Social Democratic Party.
Day of marriage December 25, 1913
The temperature on December 25, 1913 was between -0.5 °C and 5.6 °C and averaged 3.0 °C. There was 2.5 mm of rain. There was 0.8 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
February 3 » The Sixteenth Amendment to the United States Constitution is ratified, authorizing the Federal government to impose and collect an income tax.
March 3 » Thousands of women march in the Woman Suffrage Procession in Washington, D.C.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
June 19 » Natives Land Act, 1913 in South Africa implemented.
July 3 » Confederate veterans at the Great Reunion of 1913 reenact Pickett's Charge; upon reaching the high-water mark of the Confederacy they are met by the outstretched hands of friendship from Union survivors.
August 16 » Completion of the Royal Navy battlecruiser HMSQueen Mary.
Day of death June 30, 1971
The temperature on June 30, 1971 was between 8.3 °C and 17.7 °C and averaged 13.6 °C. There was 1.1 mm of rain during 0.9 hours. There was 11.6 hours of sunshine (69%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
January 25 » Charles Manson and three female "Family" members are found guilty of the 1969 Tate–LaBianca murders.
February 24 » The All India Forward Bloc holds an emergency central committee meeting after its chairman, Hemantha Kumar Bose, is killed three days earlier. P.K. Mookiah Thevar is appointed as the new chairman.
April 23 » Bangladesh Liberation War: The Pakistan Army and Razakars massacre approximately 3,000 Hindu emigrants in the Jathibhanga area of East Pakistan (now Bangladesh).
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
July 15 » The United Red Army is founded in Japan.
December 8 » Indo-Pakistani War: The Indian Navy launches an attack on West Pakistan's port city of Karachi.
When copying data from this family tree, please include a reference to the origin: Charles Olson, "Olson's Tree", database, Genealogy Online (https://www.genealogieonline.nl/olsons-tree/P383.php : accessed December 22, 2025), "Benjamin Harrison Groves (1888-1971)".
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