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Hace 5 días · 1st century AD: The aeolipile, a simple steam turbine is recorded by Hero of Alexandria. [263] 1st century AD: The first use of respiratory protective equipment is documented by Pliny the Elder ( c. 23 AD –79) using animal bladder skins to protect workers in Roman mines from red lead oxide dust.
Hace 2 días · Starting in 1699, other members [who?] of the Royal Society accused Leibniz of plagiarism. The dispute then broke out in full force in 1711 when the Royal Society proclaimed in a study that it was Newton who was the true discoverer and labelled Leibniz a fraud; it was later found that Newton wrote the study's concluding remarks on Leibniz.
Hace 4 días · The Crusades of 1239–1241. The Crusades of 1239–1241, also known as the Barons' Crusade, were a series of crusades to the Holy Land that, in territorial terms, were the most successful since the First Crusade. [151] The major expeditions were led separately by Theobald I of Navarre and Richard of Cornwall. [152]
3 de may. de 2024 · Khalsa, the purified and reconstituted Sikh community instituted by Guru Gobind Singh on March 30, 1699 (Baisakhi Day; Khalsa Sikhs celebrate the birth of the order on April 13 of each year). His declaration had three dimensions: it redefined the concept of authority within the Sikh community; it.
1 de may. de 2024 · Leopold I (born June 9, 1640, Vienna—died May 5, 1705, Vienna) was the Holy Roman emperor during whose lengthy reign (1658–1705) Austria emerged from a series of struggles with the Turks and the French to become a great European power, in which monarchical absolutism and administrative centralism gained ascendancy.
Hace 3 días · What is William Penn best known for? William Penn (born October 14, 1644, London, England—died July 30, 1718, Buckinghamshire) was an English Quaker leader and advocate of religious freedom, who oversaw the founding of the American Commonwealth of Pennsylvania as a refuge for Quakers and other religious minorities of Europe.
3 de may. de 2024 · Williamsburg was the capital of the Virginia colony from 1699 until 1779. Plotted on land first used by Virginia Indians, it was settled by the English during and just after the Second Anglo-Powhatan War (1622–1632) and called Middle Plantation, for its location equidistant between the York and James rivers.
