The temperature on August 16, 1888 was about 15.1 °C. The air pressure was 4 kgf/m2 and came mainly from the northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. 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.
January 13 » The National Geographic Society is founded in Washington, D.C.
March 15 » Start of the Anglo-Tibetan War of 1888.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
August 21 » The first successful adding machine in the United States is patented by William Seward Burroughs.
September 4 » George Eastman registers the trademark Kodak and receives a patent for his camera that uses roll film.
October 15 » The "From Hell" letter allegedly sent by Jack the Ripper is received by investigators.
Day of marriage February 8, 1910
The temperature on February 8, 1910 was between 1.4 °C and 8.2 °C and averaged 4.8 °C. There was 3.1 mm of rain. There was 1.1 hours of sunshine (12%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
November 10 » The date of Thomas A. Davis' opening of the San Diego Army and Navy Academy, although the official founding date is November 23, 1910.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death November 19, 1960
The temperature on November 19, 1960 was between 5.3 °C and 7.9 °C and averaged 6.2 °C. There was 4.2 mm of rain during 2.3 hours. There was 1.5 hours of sunshine (17%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 14 » The Reserve Bank of Australia, the country's central bank and banknote issuing authority, is established.
January 21 » Little Joe 1B, a Mercury spacecraft, lifts off from Wallops Island, Virginia with Miss Sam, a female rhesus monkey on board.
August 11 » Chad declares independence.
September 24 » USSEnterprise, the world's first nuclear-powered aircraft carrier, is launched.
December 15 » Richard Pavlick is arrested for plotting to assassinate U.S. President-Elect John F. Kennedy.
December 17 » Troops loyal to Emperor Haile Selassie in Ethiopia crush the coup that began December 13, returning power to their leader upon his return from Brazil. Haile Selassie absolves his son of any guilt.
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/P5638.php : accessed January 20, 2026), "Electra Havemeyer (1888-1960)".
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