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Hace 4 días · Louis Pasteur ForMemRS ( / ˈluːi pæˈstɜːr /, French: [lwi pastœʁ]; 27 December 1822 – 28 September 1895) was a French chemist, pharmacist, and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation, and pasteurization, the last of which was named after him.
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Hace 3 días · Virgin of Guadalupe and castas, 1. Program of centennial festivities of Mexican independence in September 1910, asserting the historical continuity of Miguel Hidalgo, Benito Juárez "Law," and Porfirio Díaz, "Peace," from 1810 to 1910. The written history of Mexico spans more than three millennia. First populated more than 13,000 years ago, [1 ...
12 de abr. de 2024 · Denmark Vesey (born c. 1767, probably St. Thomas, Danish West Indies—died July 2, 1822, Charleston, South Carolina, U.S.) was a self-educated Black man who planned the most extensive slave rebellion in U.S. history (Charleston, 1822).
- The Editors of Encyclopaedia Britannica
28 de mar. de 2024 · Louis Pasteur (born December 27, 1822, Dole, France—died September 28, 1895, Saint-Cloud) French chemist and microbiologist who was one of the most important founders of medical microbiology. Pasteur’s contributions to science, technology, and medicine are nearly without precedent.
- What did Louis Pasteur discover?Among Louis Pasteur’s discoveries were molecular asymmetry, the fact that molecules can have the same chemical composition with different structure...
- What did Louis Pasteur invent?Louis Pasteur is best known for inventing the process that bears his name, pasteurization. Pasteurization kills microbes and prevents spoilage in b...
- What is pasteurization?Pasteurization is a heat-treatment process that destroys pathogenic microorganisms in certain foods and beverages. It is used for preserving goods...
- What was Louis Pasteur’s family like?Louis Pasteur grew up in a relatively poor family. He was one of four children, and his father was a tanner. In 1849 he married Marie Laurent, the...
Hace 1 día · Harriet Tubman (born Araminta Ross, c. March 1822 – March 10, 1913) was an American abolitionist and social activist. [2] [3] After escaping slavery , Tubman made some 13 missions to rescue approximately 70 enslaved people, including her family and friends, [4] using the network of antislavery activists and safe houses known ...
- Guiding enslaved people to freedom
- March 10, 1913 (aged 90–91), Auburn, New York, U.S.
- Araminta Ross, c. March 1822, Dorchester County, Maryland, U.S.
1 de abr. de 2024 · When the Portuguese Cortês (Parliament), preferring colonial status for Brazil, demanded that Pedro return to Lisbon to “complete his political education,” he issued a declaration of Brazilian independence on Sept. 7, 1822. Within three months he was crowned emperor.
11 de abr. de 2024 · Motivado por las concesiones hechas a campesinos y obreros durante la lucha armada, fue convocado por Venustiano Carranza con el propósito de modificar la Carta Magna de 1857 para materializar cambios constitucionales en el ámbito agrario y laboral. La promulgación de la Constitución, vigente hasta el día de hoy, se dio el 5 de febrero de ...
