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 ...

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,…

YouTube video by The Unicode Consortium

Place historical images of Richmond, Virginia on the map!

Join the OpenHistoricalMap team OSM US’s first Mappy Hour of 2026 on Wednesday, March 4th from 8 - 9 pm Eastern. This Mappy Hour kicks off the first of regular online gatherings for the OHM community ...

Have you noticed the abacus on the homepage? We’re holding our first-ever OHM fundraiser, new for 2026. Please consider giving today! OpenHistoricalMap is a passion project that keeps going thanks ...

A free virtual conference featuring two days of talks and workshops on all things OpenStreetMap.

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...

In the half a year since we started letting you log in using your OpenStreetMap account, localize map labels into your language, and more, our development team has been busier than ever. Keeping the ...

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