The temperature on February 27, 1878 was about 10.7 °C. The air pressure was 12 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 19 » Thomas Edison patents the phonograph.
May 14 » The last witchcraft trial held in the United States begins in Salem, Massachusetts, after Lucretia Brown, an adherent of Christian Science, accused Daniel Spofford of attempting to harm her through his mental powers.
May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
June 4 » Cyprus Convention: The Ottoman Empire cedes Cyprus to the United Kingdom but retains nominal title.
July 13 » Treaty of Berlin: The European powers redraw the map of the Balkans. Serbia, Montenegro and Romania become completely independent of the Ottoman Empire.
October 15 » The Edison Electric Light Company begins operation.
Day of marriage April 23, 1901
The temperature on April 23, 1901 was between 7.6 °C and 21.1 °C and averaged 14.9 °C. There was 11.9 hours of sunshine (83%). Source: KNMI
January 1 » Nigeria becomes a British protectorate.
January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death September 25, 1934
The temperature on September 25, 1934 was between 6.4 °C and 17.4 °C and averaged 12.4 °C. There was 9.2 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 26 » The United Kingdom driving test is introduced.
May 21 » Oskaloosa, Iowa, becomes the first municipality in the United States to fingerprint all of its citizens.
May 23 » The Auto-Lite strike culminates in the "Battle of Toledo", a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.
June 15 » The United States Great Smoky Mountains National Park is founded.
October 9 » An Ustashe assassin kills King Alexander I of Yugoslavia and Louis Barthou, Foreign Minister of France, in Marseille.
November 23 » An Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory. This leads to the Abyssinia Crisis.
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/P15503.php : accessed May 1, 2025), "Percy Avery Rockefeller (1878-1934)".
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