Getting Help

OpenHistoricalMap has several resources for learning about the project, asking and answering questions, and collaboratively discussing and documenting mapping topics.

Welcome to OHM

Start with this quick guide covering OpenHistoricaltMap basics.

OHM Mailing List

Ask a question or discuss interesting matters on the OHM mailing list - sign up at the link above.


Interactive OHM chat on the openhistoricalmap channel, courtesy of OSM-US.


Join the OpenHistoricalMap channel for free-flowing chat about OHM, courtesy of some enthusiastic OHM users.

OHM Wiki

Browse the wiki for in-depth OHM information as well as very helpful OSM information, courtesy of the OSM Wiki.