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The categorisation of the past into discrete, quantified named blocks of time is called periodization. [1] This is a list of such named time periods as defined in various fields of study. These can be divided broadly into prehistorical periods and historical periods (when written records began to be kept).
This is a list of the main divisions by continent and region. Dating also varies considerably and those given are broad approximations across wide areas. The three-age system has been used in many areas, referring to the prehistorical and historical periods identified by tool manufacture and use, of Stone Age , Bronze Age and Iron Age .
List of timelines; Chronology; See calendar and list of calendars for other groupings of years. See history, history by period, and periodization for different organizations of historical events. For earlier time periods, see Timeline of the Big Bang, Geologic time scale, Timeline of evolution, and Logarithmic timeline
Lists of years or Tables of years are indexes that list all of the individual timelines by year that pertain to a specific topic. Timespans next to the timeline articles listed here include the date of the earliest item included in the linked timeline article.
These timelines of world history detail recorded events since the creation of writing roughly 5000 years ago to the present day.. For events from c. 3200 BC – c. 500 see: Timeline of ancient history
This category's scope is limited to human-related history since the end of Earth's most recent glacial period ("the Ice Age") around 10,000 to 15,000 years ago. History portal; See also. List of time periods, which includes periods used in fields such as palaeogeography, palaeoecology, archaeology and cosmology.
This is a list of official and unofficial names for time spans in the geologic timescale and units of chronostratigraphy.Since many of the smallest subdivisions of the geologic timescale were in the past defined on regional lithostratigraphic units, there are many alternative names that overlap.
Empire Start year End year Duration (years) Abbasid Caliphate: 750: 1517: 767 Aceh Sultanate: 1496: 1903: 407 Achaemenid Empire: 550 BC: 330 BC: 220 Afsharid Empire