History

Ancient Civilizations

Fifteen of the most influential ancient civilizations spanning every inhabited continent, from the Indus Valley to the Americas.

15 rows6 columns0 views0 downloadsSource: World History EncyclopediaUpdated: 2/18/2026
historycivilizationsancientempires
15 of 15 rows
Name
Region
Period
Peak Population Estimate
Major Achievement
Notable City
MesopotamiaMiddle East (modern Iraq)c. 3500 – 539 BCE~1.5 millionInvention of cuneiform writing and the wheelBabylon
Ancient EgyptNorth Africa (Nile Valley)c. 3100 – 30 BCE~5 millionConstruction of the Great Pyramids and advances in medicineThebes (Luxor)
Indus Valley CivilizationSouth Asia (modern Pakistan/India)c. 3300 – 1300 BCE~5 millionAdvanced urban planning with grid cities and sewage systemsMohenjo-daro
Ancient GreeceSoutheastern Europec. 800 – 146 BCE~8 million (all city-states)Democracy, philosophy, and the Olympic GamesAthens
Roman EmpireMediterranean / Europe753 BCE – 476 CE~56 millionRoman law, engineering (aqueducts, roads), and republican governanceRome
Persian Empire (Achaemenid)Western/Central Asia550 – 330 BCE~50 millionFirst charter of human rights (Cyrus Cylinder) and the Royal Road postal systemPersepolis
Ancient China (Shang – Han)East Asiac. 1600 BCE – 220 CE~60 million (Han Dynasty peak)Papermaking, silk production, and the Great WallChang'an (Xi'an)
Maya CivilizationCentral America (Mesoamerica)c. 2000 BCE – 1500 CE~2 millionAdvanced calendar system, mathematics (concept of zero), and hieroglyphic writingTikal
Inca EmpireSouth America (Andes)c. 1438 – 1533 CE~12 millionExtensive road network (Qhapaq Ñan) and terrace farmingCusco
Aztec EmpireCentral America (Mexico)c. 1345 – 1521 CE~5 millionFloating gardens (chinampas) and monumental temple architectureTenochtitlán
CarthageNorth Africa (modern Tunisia)c. 814 – 146 BCE~700,000Maritime trade dominance across the MediterraneanCarthage
Maurya EmpireSouth Asia (Indian subcontinent)322 – 185 BCE~50 millionUnified most of the Indian subcontinent; Ashoka's edicts promoted non-violencePataliputra
Byzantine EmpireEastern Mediterranean / Anatolia330 – 1453 CE~26 millionPreservation of Greco-Roman knowledge and Justinian's legal codeConstantinople
Khmer EmpireSoutheast Asia (modern Cambodia)802 – 1431 CE~2 millionConstruction of Angkor Wat, the largest religious monument in the worldAngkor
Aksumite EmpireEast Africa (modern Ethiopia/Eritrea)c. 100 – 940 CE~1 millionOne of the first civilizations to adopt Christianity; monumental obelisks (stelae)Aksum
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