Risultati di ricerca
1 giorno fa · An era is the second largest geochronologic time unit and is equivalent to a chronostratigraphic erathem. There are ten defined eras: the Eoarchean, Paleoarchean, Mesoarchean, Neoarchean, Paleoproterozoic, Mesoproterozoic, Neoproterozoic, Paleozoic, Mesozoic and Cenozoic, with none from the Hadean eon.
4 giorni fa · It began with the collapse of the Western Roman Empire and merged into the Renaissance and the Age of Discovery. The Middle Ages is the middle period of the three traditional divisions of Western history: Antiquity, Medieval period, and Modern period.
2 giorni fa · The Carboniferous (/ ˌ k ɑːr b ə ˈ n ɪ f ər ə s / KAR-bə-NIF-ər-əs) is a geologic period and system of the Paleozoic that spans 60 million years from the end of the Devonian Period 358.9 Ma (million years ago) to the beginning of the Permian Period, 298.9 Ma.
11 ore fa · 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]
1 giorno fa · e. The history of China spans several millennia across a wide geographical area. Each region now considered part of the Chinese world has experienced periods of unity, fracture, prosperity, and strife. Chinese civilization first emerged in the Yellow River valley, which along with the Yangtze basin constitutes the geographic core of the Chinese ...
3 giorni fa · Proto-Germanic (abbreviated PGmc; also called Common Germanic) is the reconstructed proto-language of the Germanic branch of the Indo-European languages. Proto-Germanic eventually developed from pre-Proto-Germanic into three Germanic branches during the fifth century BC to fifth century AD: West Germanic , East Germanic and North ...
4 giorni fa · Music first arose in the Paleolithic period, [45] though it remains unclear as to whether this was the Middle (300,000 to 50,000 BP) or Upper Paleolithic (50,000 to 12,000 BP). [46] The vast majority of Paleolithic instruments have been found in Europe and date to the Upper Paleolithic. [47]
