Historical geographic information system

A historical geographic information system (also written as historical GIS or HGIS) is a geographic information system that may display, store and analyze data of past geographies and track changes in time. It can be regarded as a subfield of historical geography and geographic information science.

GIS was originally developed for use in environmental sciences, military and for computer assisted cartography. It is the opinion of some that the tools developed for these uses are ill suited for the features of historical data.

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