Do you know where the inspiration for GIS Day came from? During a GIS Day kickoff celebration at the National Geographic Society in 1999, Jack Dangermond, ESRI president, said GIS Day was inspired by Ralph Nader, consumer advocate and environmentalist, as a way to inform the public about the emerging role and benefit of GIS. Read more.

Mark your calendar; the tenth annual GIS Day celebration will be held on Wednesday, November 19, 2008. Learn more about GIS Day.