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3 giorni fa · Beethoven verso il 1804, nell'epoca della Sonata Appassionata e di Fidelio; risoluto ad «affrontare il suo destino alla gola», compose nel periodo dal 1802 al 1812 una serie di opere brillanti ed energiche, caratteristiche del suo stile cosiddetto «eroico»; ritratto di Willibrord Joseph Maehler, 1804–1805
1 giorno fa · Religion. Opposition and resistance. Related. v. t. e. Abolitionism, or the abolitionist movement, is the movement to end slavery and liberate slaves around the world. The first country to fully outlaw slavery was France in 1315, but it was later used in its colonies.
2 giorni fa · 1802: Humphry Davy invents the arc lamp (exact date unclear; not practical as a light source until the invention of efficient electric generators). 1804: Friedrich Sertürner discovers morphine as the first active alkaloid extracted from the opium poppy plant. 1804: Joseph Marie Jacquard develops his automated Jacquard loom.
4 giorni fa · They crossed the frozen ridges of the Cordillera Real and reached Quito on 6 January 1802, after a tedious and difficult journey. Their stay in Ecuador was marked by the ascent of Pichincha and their climb of Chimborazo , where Humboldt and his party reached an altitude of 19,286 feet (5,878 m).
Following attacks on Freetown by neighboring leaders in 1801 and 1802, officials of the Sierra Leone Company (a chartered trading company formed in 1791) claimed that the Temne recourse to war was totally unjustified, as well as unexpected.
4 giorni fa · In 1802 he became professor of chemistry. His duties included a special study of tanning: he found catechu, the extract of a tropical plant, as effective as and cheaper than the usual oak extracts, and his published account was long used as a tanner’s guide.
2 giorni fa · Bibliography. Further reading. External links. War of 1812. The War of 1812 was fought by the United States and its allies against the United Kingdom and its allies in North America. It began when the United States declared war on Britain on 18 June 1812.
