Look up period or periodic in Wiktionary, the free dictionary. Period may refer to: Period (punctuation) Era, a length or span of time Menstruation, commonly...

The Edo period (江戸時代, Edo jidai), also known as the Tokugawa period (徳川時代, Tokugawa jidai), is the period between 1603 and 1868 in the history of Japan...

The Heian period (平安時代, Heian jidai) is the last division of classical Japanese history, running from 794 to 1185. It followed the Nara period, beginning...

In Japanese history, the Jōmon period (縄文時代, Jōmon jidai) is the time between c. 14,000 and 300 BC, during which Japan was inhabited by a diverse hunter-gatherer...

The Migration Period (circa 300 to 600 AD), also known as the Barbarian Invasions, was a period in European history marked by large-scale migrations that...

The Vedic period, or the Vedic age (c. 1500 – c. 500 BCE), is the period in the late Bronze Age and early Iron Age of the history of India when the Vedic...

The Sengoku period, also known as Sengoku Jidai (Japanese: 戦国時代, Hepburn: Sengoku Jidai, lit. 'Warring States period'), is the period in Japanese history...

In classical antiquity, the Hellenistic period covers the time in Mediterranean history after Classical Greece, between the death of Alexander the Great...

The Ubaid period (c. 5500–3700 BC) is a prehistoric period of Mesopotamia. The name derives from Tell al-'Ubaid where the earliest large excavation of...

The Uruk period (c. 4000 to 3100 BC; also known as Protoliterate period) existed from the protohistoric Chalcolithic to Early Bronze Age period in the history...