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Hace 1 día · t. e. The history of Africa begins with the emergence of hominids, archaic humans and — around 300,000–250,000 years ago — anatomically modern humans ( Homo sapiens ), in East Africa, and continues unbroken into the present as a patchwork of diverse and politically developing nation states. [1]
Hace 4 días · Salah ad-Din Yusuf ibn Ayyub [a] ( c. 1137 – 4 March 1193), commonly known as Saladin, [b] was the founder of the Ayyubid dynasty. Hailing from a Kurdish family, he was the first sultan of both Egypt and Syria. An important figure of the Third Crusade, he spearheaded the Muslim military effort against the Crusader states in the Levant.
Hace 4 días · Wikimedia Commons has media related to 1925. 1925 ( MCMXXV) was a common year starting on Thursday of the Gregorian calendar, the 1925th year of the Common Era (CE) and Anno Domini (AD) designations, the 925th year of the 2nd millennium, the 25th year of the 20th century, and the 6th year of the 1920s decade.
28 de may. de 2024 · Young's modulus is defined as the ratio of the stress (force per unit area) applied to the object and the resulting axial strain (displacement or deformation) in the linear elastic region of the material. Although Young's modulus is named after the 19th-century British scientist Thomas Young, the concept was developed in 1727 by Leonhard Euler.
22 de may. de 2024 · ad-at, increase, on, toward Latin ad-, to adduction, addition aden-of or relating to a gland: Greek ἀδήν, ἀδέν-, (adḗn, adén-), an acorn; a gland: adenocarcinoma, adenology, adenotome, adenotyphus: adip-of or relating to fat or fatty tissue Latin adeps, adip-, fat adipocyte: adren-of or relating to the adrenal glands: Latin ad ...
Hace 2 días · Wikimedia Commons has media related to 1941. 1941 ( MCMXLI) was a common year starting on Wednesday of the Gregorian calendar, the 1941st year of the Common Era (CE) and Anno Domini (AD) designations, the 941st year of the 2nd millennium, the 41st year of the 20th century, and the 2nd year of the 1940s decade.
Hace 2 días · The history of Spain dates to contact between the pre-Roman peoples of the Mediterranean coast of the Iberian Peninsula made with the Greeks and Phoenicians. During Classical Antiquity, the peninsula was the site of multiple successive colonizations of Greeks, Carthaginians, and Romans. Native peoples of the peninsula, such as the Tartessos ...
