Building the world’s most out-of-date map
OpenStreetMap for Roman roads? Middle Kingdom cities? 1890s railways? OpenHistoricalMap is aiming to create the most comprehensive, most out-of-date map of everything that’s existed from Then through Now.
Meet the team
News and talks
See all postsHistorical Mapping with OpenHistoricalMap, OldInsuranceMaps.net, and Yesterdays
From georeferencing historical Sanborn fire insurance maps on OldInsuranceMaps.net, to georeferencing historical photographs, to mapping through time on OpenHistoricalMap, we’ll share demos and how to get involved.
Charter Projects Face Uncertain Future as Financial Support Ends
Many of the best OpenStreetMap tools emerge organically as personal projects built by members of the global community. Informal structures can be great for getting a project off the ground, but at...
OpenHistoricalMap Office Hours
Join the OpenHistoricalMap community for our annual informal office hours. Get advice from fellow mappers, brainstorm some focus areas for the coming year, and give feedback to the OHM advisory group.
OpenStreetMap US Wrapped: A Year in Review for 2024
2024 was a year of exciting growth for both OpenStreetMap and the OpenStreetMap US team. Let’s celebrate some of the highlights! The Team Grew OSM US welcomed Jake Low, Software Engineer, and...
