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  2. History of the Americas - Wikipedia

    en.wikipedia.org/wiki/History_of_the_Americas

    The Olmec civilization emerged around 1200 BCE in Mesoamerica and ended around 400 BCE. Olmec art and concepts influenced surrounding cultures after their downfall. This civilization was thought to be the first in America to develop a writing system. After the Olmecs abandoned their cities for unknown reasons, the Maya, Zapotec and Teotihuacan ...

  3. Mesoamerican chronology - Wikipedia

    en.wikipedia.org/wiki/Mesoamerican_chronology

    Aztec calendar (sunstone) Mesoamerican chronology divides the history of prehispanic Mesoamerica into several periods: the Paleo-Indian (first human habitation until 3500 BCE); the Archaic (before 2600 BCE), the Preclassic or Formative (2500 BCE – 250 CE), the Classic (250–900 CE), and the Postclassic (900–1521 CE); as well as the post European contact Colonial Period (1521–1821), and ...

  4. Cradle of civilization - Wikipedia

    en.wikipedia.org/wiki/Cradle_of_civilization

    These chert weights were in a ratio of 5:2:1 with weights of 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20, 50, 100, 200, and 500 units, with each unit weighing approximately 28 grams, similar to the English Imperial ounce or Greek uncia, and smaller objects were weighed in similar ratios with the units of 0.871. However, as in other cultures, actual ...

  5. Timeline of ancient history - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_ancient_history

    The date used as the end of the ancient era is arbitrary. The transition period from Classical Antiquity to the Early Middle Ages is known as Late Antiquity.Late Antiquity is a periodization used by historians to describe the transitional centuries from Classical Antiquity to the Middle Ages, in both mainland Europe and the Mediterranean world: generally from the end of the Roman Empire's ...

  6. Classical antiquity - Wikipedia

    en.wikipedia.org/wiki/Classical_antiquity

    Classical antiquity, also known as the classical era, classical period, classical age, or simply antiquity, [1] is the period of cultural European history between the 8th century BC and the 5th century AD [note 1] comprising the interwoven civilizations of ancient Greece and ancient Rome known together as the Greco-Roman world, centered on the Mediterranean Basin.

  7. Ancient history - Wikipedia

    en.wikipedia.org/wiki/Ancient_history

    Ancient history covers all continents inhabited by humans in the period 3000 BC – AD 500, ending with the expansion of Islam in late antiquity. [1] The three-age system periodises ancient history into the Stone Age, the Bronze Age, and the Iron Age, with recorded history generally considered to begin with the Bronze Age. The start and end of ...

  8. River valley civilization - Wikipedia

    en.wikipedia.org/wiki/River_valley_civilization

    Large-scale human settlement and communal construction from 3100 BC onward is clearly apparent; [10] it lasted until a period of decline around 1800 BC. [11] Since the early 21st century, it has been established as the oldest-known civilization in the Americas, and as one of the six sites where civilisation separately originated in the ancient ...

  9. History of Mesopotamia - Wikipedia

    en.wikipedia.org/wiki/History_of_Mesopotamia

    Map showing the extent of Mesopotamia. The Civilization of Mesopotamia ranges from the earliest human occupation in the Paleolithic period up to Late antiquity.This history is pieced together from evidence retrieved from archaeological excavations and, after the introduction of writing in the late 4th millennium BC, an increasing amount of historical sources.