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In Ethiopia blocks of salt, called amoleh, were carved from the salt pans of the Afar Depression, especially around Lake Afrera, then carried by camel west to Atsbi and Ficho in the highland, whence traders distributed them throughout the rest of Ethiopia, as far south as the Kingdom of Kaffa. [34] These salt blocks served as a form of currency ...
The Siege and Destruction of Jerusalem by the Romans Under the Command of Titus, A.D. 70, by David Roberts (1850), shows the city burning. Early thermal weapons, which used heat or burning action to destroy or damage enemy personnel, fortifications or territories, were employed in warfare during the classical and medieval periods (approximately the 8th century BC until the mid-16th century AD).
Early matches were made from blocks of woods with cuts separating the splints but leaving their bases attached. Later versions were made in the form of thin combs. The splints would be broken away from the comb when required. [10] A noiseless match was invented in 1836 by the Hungarian János Irinyi, who was a student of chemistry. [24]
1897: Surgical masks made of cloth were developed in Europe by physicians Jan Mikulicz-Radecki at the University of Breslau and Paul Berger in Paris, as a result of increasing awareness of germ theory and the importance of antiseptic procedures in medicine. [453] 1898: Hans von Pechmann synthesizes polyethylene, now the most common plastic in ...
The Fire drill (tool) used for lighting fires before the invention of matches. Fire Stick, winner of the 1984 D.C. McKay Stakes horse race; A Zulu name for bishop William Taylor (1821–1902) Pyrobaculum (Latin: fire stick), a single celled organism; A fictional device in the TV series Fireman
In 1930, Mahatma Gandhi led a crowd of 100,000 protestors on the "Dandi March" or "Salt Satyagraha", during which they made their own salt from the sea as a demonstration of their opposition to the colonial salt tax. This act of civil disobedience inspired numerous Indians and transformed the Indian independence movement into a national ...
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Usage of the term "Greek fire" has been general in English and most other languages since the Crusades. Original Byzantine sources called the substance a variety of names, such as "sea fire" (Medieval Greek: πῦρ θαλάσσιον pŷr thalássion), "Roman fire" (πῦρ ῥωμαϊκόν pŷr rhōmaïkón), "war fire" (πολεμικὸν πῦρ polemikòn pŷr), "liquid fire ...