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Hace 5 días · The earliest recorded beginnings of geometry can be traced to ancient Mesopotamia and Egypt in the 2nd millennium BC. Early geometry was a collection of empirically discovered principles concerning lengths, angles, areas, and volumes, which were developed to meet some practical need in surveying, construction, astronomy, and various crafts.
Hace 6 días · The arch dates back to fourth millennium BC, but became popular only after its adoption by the Romans in the 4th century BC. Arch-like structures can be horizontal, like an arch dam that withstands the horizontal hydrostatic pressure load.
Hace 13 horas · 6th century - 2nd century BC: Systematization of medicine and surgery in the Sushruta Samhita in Vedic Northern India. Documented procedures to: Perform cataract surgery . Babylonian and Egyptian texts, a millennium before, depict and mention oculists, but not the procedure itself. Perform Caesarean section.
Hace 21 horas · The late 2nd millennium and the reemergence of urbanism Peninsular India in the aftermath of the Indus civilization (c. 2000–1000 bce ) The development of Indian civilization from c. 1500 bce to c. 1200 ce
17 de abr. de 2024 · Zarathushtra (born 2nd millennium bce, probably eastern Iran) was an Iranian religious reformer and prophet, traditionally regarded as the founder of Zoroastrianism.
Hace 3 días · During the 2nd millennium, the use of true bronze greatly increased. The tin deposits at Cornwall, England, were much used and were responsible for a considerable part of the large production of bronze objects during that time. The age was also marked by increased specialization and the invention of the wheel and the ox-drawn plow.
Hace 3 días · Tracing its roots to the 2nd millennium BCE, Ethiopia's governmental system was a monarchy for most of its history. Oral literature tells that the monarchy was founded by the Solomonic dynasty of the Queen of Sheba, under its first king, Menelik I.