Open History Mapping

The OpenHistoricalMap uses the OpenStreetMap platform to practice maps of the past. The aim of the projection is to create "the world's virtually universal, detailed, as well as out-of-date map" (and y'all persuasion that was the chore of Apple Maps).

Using either iD or Potlatch y'all tin role OpenHistoricalMap to map whatever place every bit it used to travel inwards whatever menstruum of its history. To popular off an persuasion of what is possible amongst OpenHistoricalMap y'all tin conduct maintain a await at this listing of current map projects. This listing includes a European broad map of Roman roads, sites of import inwards the American Civil War, 19th Century Seattle as well as a map of 1907 Helsinki.

Alternatively y'all tin check-out the 18th Century map of Saeby, Denmark on OHM. You tin compare the historical map of Saeby to today's modern OSM map yesteryear opening the 'Layers' tool as well as switching betwixt the 'historical' as well as 'standard OSM' layers.

Because OpenHistoricalMap is an opened upward projection y'all tin role the map information every bit long every bit y'all credit OpenHistoricalMap as well as its contributors. To aide y'all inwards downloading historical map information OHM fifty-fifty provides an Overpass server for the project.