In historiography, periodization is the process or study of categorizing the past into discrete, quantified, and named blocks of time for the purpose...

postseason. Periodization divides the year round condition program into phases of training which focus on different goals. The roots of periodization come from...

(disambiguation) Periodization List of time periods History by period This disambiguation page lists articles associated with the title Period. If an internal...

The Edo period (江戸時代, Edo jidai, Japanese pronunciation: [e.do (d)ʑiꜜ.dai]), also known as the Tokugawa period (徳川時代, Tokugawa jidai, [to.kɯ.ɡa.wa (d)ʑiꜜ...

The Kamakura period (鎌倉時代, Kamakura jidai, 1185–1333) is a period of Japanese history that marks the governance by the Kamakura shogunate, officially established...

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

A school period is a block of time allocated for lessons, classes in schools. They typically last between 30 and 60 minutes, with around 3-10 periods per...

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...

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...

A periodization of capitalism seeks to distinguish stages of development that help understanding of features of capitalism through time. The best-known...

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...

The orbital period (also revolution period) is the amount of time a given astronomical object takes to complete one orbit around another object. In astronomy...

In classical antiquity, the Hellenistic period covers the time in Greek history after Classical Greece, between the death of Alexander the Great in 323...

The name Archaic Period is given by archaeologists to early periods in an archaeological chronology, generally covering the early developments of permanent...

The Sengoku period (戦国時代, Sengoku jidai, Japanese pronunciation: [seŋ.ɡo.kɯ (d)ʑiꜜ.dai, -ŋo.kɯ-] lit. 'Warring States period') was the period in Japanese...

The Tulip Period, or Tulip Era (Ottoman Turkish: لاله دورى, Turkish: Lâle Devri), is a period in Ottoman history from the Treaty of Passarowitz on 21...

period is a period immediately following a stimulus during which further stimulation has no effect. It may specifically refer to: Refractory period (physiology)...

The Nara period (奈良時代, Nara jidai, Japanese pronunciation: [na.ɾa (d)ʑiꜜ.dai]) of the history of Japan covers the years from 710 to 794. Empress Genmei...

A glacial period (alternatively glacial or glaciation) is an interval of time (thousands of years) within an ice age that is marked by colder temperatures...

postnatal) period begins after childbirth and is typically considered to last for six to eight weeks. There are three distinct phases of the postnatal period; the...

In number theory, the nth Pisano period, written as π(n), is the period with which the sequence of Fibonacci numbers taken modulo n repeats. Pisano periods...

In economics, a base period or reference period is a point in time used as a reference point for comparison with other periods. It is generally used as...

The Amarna Period was an era of Egyptian history during the later half of the Eighteenth Dynasty when the royal residence of the pharaoh and his queen...

calendars for other groupings of years See history, human history and periodization for different organizations of historical events For earlier time periods...

A historical drama (also period drama, period piece or just period) is a dramatic work set in a past time period, usually used in the context of film...

In Japanese history, the Jōmon period (縄文時代, Jōmon jidai) is the time between c. 14,000 and 300 BCE, during which Japan was inhabited by the Jōmon people...

An induction period in chemical kinetics is an initial slow stage of a chemical reaction; after the induction period, the reaction accelerates. Ignoring...

A return period, also known as a recurrence interval or repeat interval, is an average time or an estimated average time between events such as earthquakes...

A notice period or period of notice within a contract may be defined within the contract itself, or subject to a condition of reasonableness. In an employment...

The nodal period (or draconic period) of a satellite is the time interval between successive passages of the satellite through either of its orbital nodes...