type=street rendering improvement type=street was overriding the ways it was on. So for example this residential street would have only rendered between 1905-1921 instead of from 1793. Cemetery ...

After being inspired during Mapping USA by OpenHistoricalMap and OldInsuranceMaps.net, explore the history of Sanborn Fire Insurance Maps in Sandusky, Ohio. How might these maps be used by local agenc...

OpenHistoricalMap is more than a map. As an open data project, we want to help you discover and understand the wealth of information that mappers have contributed, whether or not it fits on the main r...

The Eastern Turnpike operated between the areas of Albany NY and Williamstown MA from 1799 into the late 19th century. A private toll road, it was typical of the period. There were many such roads in ...

OpenStreetMap US hosted the 14th annual State of the Map US conference on June 11–13, 2026, in Madison, Wisconsin.

## Cómo me fue en el simposio Estuve en el XIV Simposio de Enseñanza de la Geografía en México, en el CIGA-UNAM. Fue un buen lugar para presentar OHM, porque ahí los profesores están preocupados por ...

OpenHistoricalMap has the daunting (and awesome) mission of building the world’s most detailed out-of-date map. As a Charter Project of OpenStreetMap US, you can help sustain the development of OpenHi...

and we need your help to get the ball rolling! OHM exists thanks to a devoted community of volunteers who care deeply about mapping history. Your generous donation will go directly toward making OHM e...

and we need your help to get the ball rolling! OHM exists thanks to a devoted community of volunteers who care deeply about mapping history. Your generous donation will go directly toward making OHM e...

Browsing through openhistoricalmap.org is a personal tour of passion projects, obsessions, and areas of awe-inspiring expertise. The area of the map you’re looking at may appear sparse, save for a few...

OpenHistoricalMap and YouthMappers have a new Charter Project friend: Yesterdays!What is Yesterdays?Yesterdays is a website where volunteer contributors georeference historic images of their city,…

Conversations about the most ambitious map of the history of the world

YouTube video by The Unicode Consortium

Place historical images of Richmond, Virginia on the map!