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  1. Hace 3 días · 14th century: Jacob's staff described by Levi ben Gerson 14th century: Naval mine in Ming dynasty China : Mentioned in the Huolongjing military manuscript written by Jiao Yu (fl. 14th to early 15th century) and Liu Bowen (1311–1375), describing naval mines used at sea or on rivers and lakes, made of wrought iron and enclosed in an ox bladder.

  2. 19 de ene. de 2023 · 14th century AD: French priest Jean Buridan provides a basic explanation of the price system. Philosophy of science [ edit ] 1220s - Robert Grosseteste writes on optics, and the production of lenses, while asserting models should be developed from observations, and predictions of those models verified through observation, in a precursor to the scientific method .

  3. en.wikipedia.org › wiki › Black_DeathBlack Death - Wikipedia

    21 de ene. de 2023 · Because 14th-century healers and governments were at a loss to explain or stop the disease, Europeans turned to astrological forces, earthquakes, and the poisoning of wells by Jews as possible reasons for outbreaks. Many believed the epidemic was a punishment by God for their sins, and could be relieved by winning God's forgiveness.

  4. Hace 6 días · In AD 43 the Roman conquest of Britain began; the Romans maintained control of their province of Britannia until the early 5th century. The end of Roman rule in Britain facilitated the Anglo-Saxon settlement of Britain, which historians often regard as the origin of England and of the English people.

  5. 20 de ene. de 2023 · Originally the phrase was used to refer to Earth’s most recent 4,000-year period of mountain-glacier expansion and retreat. Today some scientists use it to distinguish only the period 1500–1850, when mountain glaciers expanded to their greatest extent, but the phrase is more commonly applied to the broader period 1300–1850.