GIS timelines

John Snow's 1854 Cholera Map.

A Brief History of GIS

Caitlin Dempsey

From the early days in Canada to the high tech world of internet mapping, the field of GIS is older than you may think.

GIS Timeline

Caitlin Dempsey

GIS timeline of significant milestones that have occurred since the early 1960s to advance GIS and geospatial technologies. GIS has come a long way since its beginnings.