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In the county, the population was spread out, with 21.00% under the age of 18, 9.00% from 18 to 24, 26.20% from 25 to 44, 24.10% from 45 to 64, and 19.70% who were 65 years of age or older. The median age was 41 years. For every 100 females there were 94.20 males. For every 100 females age 18 and over, there were 91.30 males. 2020 census
e. Charlemagne [b] ( / ˈʃɑːrləmeɪn, ˌʃɑːrləˈmeɪn / SHAR-lə-mayn, -MAYN; 2 April 748 [a] – 28 January 814) was King of the Franks from 768, King of the Lombards from 774, and Emperor of what is now known as the Carolingian Empire from 800, holding these titles until his death in 814. He united most of Western and Central ...
Hydrogen peroxide ( H2O2) is a nonplanar molecule with (twisted) C 2 symmetry; this was first shown by Paul-Antoine Giguère in 1950 using infrared spectroscopy. [9] [10] Although the O−O bond is a single bond, the molecule has a relatively high rotational barrier of 386 cm −1 (4.62 kJ / mol) for rotation between enantiomers via the trans ...
300 is a 2006 American epic historical action film [4] [5] directed by Zack Snyder, who co-wrote the screenplay with Kurt Johnstad and Michael B. Gordon, based on the 1998 comic book limited series of the same name by Frank Miller and Lynn Varley. The film, like its source material, is a fictionalized retelling of the Battle of Thermopylae in ...
In 1629, Isaac Beeckman proposed an experiment in which a person observes the flash of a cannon reflecting off a mirror about one mile (1.6 km) away. In 1638, Galileo Galilei proposed an experiment, with an apparent claim to having performed it some years earlier, to measure the speed of light by observing the delay between uncovering a lantern ...
Mikhail Sergeyevich Gorbachev [f] [g] (2 March 1931 – 30 August 2022) was a Soviet and Russian politician who served as the last leader of the Soviet Union from 1985 to the country's dissolution in 1991. He served as General Secretary of the Communist Party of the Soviet Union from 1985 and additionally as head of state beginning in 1988, as ...
Serena Williams Williams at the 2013 US Open Full name Serena Jameka Williams Country (sports) United States Residence Palm Beach Gardens, Florida, U.S. Born (1981-09-26) September 26, 1981 (age 42) Saginaw, Michigan, U.S. Height 5 ft 9 in (175 cm) Turned pro October 1995 Retired September 2022 Plays Right-handed (two-handed backhand) Prize money US$94,816,730 1st in all-time rankings Official ...
The Thirty Years' War [j] was one of the longest and most destructive conflicts in European history, lasting from 1618 to 1648. Fought primarily in Central Europe, an estimated 4.5 to 8 million soldiers and civilians died as a result of battle, famine, or disease, while parts of present-day Germany reported population declines of over 50%. [19]
Nikola Tesla ( / ˈtɛslə /; [2] Serbian Cyrillic: Никола Тесла, [nǐkola têsla]; 10 July [ O.S. 28 June] 1856 – 7 January 1943) was a Serbian-American [3] [4] inventor, electrical engineer, mechanical engineer, and futurist. He is known for his contributions to the design of the modern alternating current (AC) electricity supply ...
Amazon was founded on July 5, 1994, by Jeff Bezos in Bellevue, Washington. [6] The company originally started as an online marketplace for books but gradually expanded its offerings to include a wide range of product categories. This diversification led to it being referred to as "The Everything Store". [7]