The first gathering of the California Map Society (CMS) was held on May 20, 1978, at Bancroft Library, University of California, Berkeley. Phil Hoehn, Map Librarian and conference host, along with Diane M. T. North, co-convener of the meeting, brought together persons with particular interest in maps and their value and relevancy in the State of California. Sixty-eight persons became Charter Members of the newly formed society on November 15, 1979, a number of whom remain active members in good standing today.
CMS became a California non-profit public benefit corporation in 1987. From the very beginning CMS has maintained a diverse and interesting program of events and activities. The history of the early years was compiled by Sarah Crumb in CMS Occasional Paper No. 4 from which these extracts were taken.
Continuing from 1995, the histories are compiled into these five year spans: