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4 hours ago · Queen Victoria, who reigned over the United Kingdom from 1837 to 1901, was one of the most prominent female leaders before the 20th century. Her era, known as the Victorian Age, was marked by industrial, cultural, political, scientific, and military changes within the United Kingdom, and her influence extended far beyond its borders.
1 day ago · Booker Taliaferro Washington (April 5, 1856 – November 14, 1915) was an American educator, author, and orator. Between 1890 and 1915, Washington was the primary leader in the African-American community and of the contemporary Black elite.
4 hours ago · The Caspian, Javan and Bali tigers have gone extinct in the 20th century and South China tigers survive only in captivity. The validity of several tiger subspecies was questioned in 1999. Most putative subspecies described in the 19th and 20th centuries were distinguished on the basis of fur length and colouration, striping patterns and body ...
1 day ago · Pandrosion (4th century AD), ancient Greek mathematician predating Hypatia, developed an approximation for cube roots; Erika Pannwitz (1904–1975), German geometric topologist who proved that every knot has a quadrisecant; Anna Panorska, Polish-American expert on extreme events in stochastic processes and on the effect of weather on baseball
1 day ago · Richard Phillips Feynman (/ ˈ f aɪ n m ə n /; May 11, 1918 – February 15, 1988) was an American theoretical physicist, known for his work in the path integral formulation of quantum mechanics, the theory of quantum electrodynamics, the physics of the superfluidity of supercooled liquid helium, as well as his work in particle physics for which he proposed the parton model.
1 day ago · In the Republic of China in the early 20th century, qipao, a dress that shows the legs but no cleavage, became so popular many Chinese women consider it as their national dress. In the 1940s, a substantial amount of fabric in the center of brassières created a separation of breasts rather than a pushed-together cleavage.
4 hours ago · Cholera had disappeared from the Americas for most of the 20th century, but it reappeared toward the end of that century, beginning with a severe outbreak in Peru. This was followed by the 2010s Haiti cholera outbreak and another outbreak of cholera in Haiti amid the 2018–2023 Haitian crisis.
