OpenHistoricalMap

OpenHistoricalMap goes beyond the present, mapping places throughout the world… throughout the ages.
No community is too small, no story too obscure to add to this map.
Everyone has something to contribute, including you!

Go to the map • Learn more…

Use

Go to the main map and navigate to a place and time of interest using the time slider. Share the map to spread the word about our project. Explore the many ways you can reuse OpenHistoricalMap in your own storytelling and software projects.

Contribute

To contribute to OpenHistoricalMap, go to the main map, zoom in to a place of interest, and click the “Edit” button. If you are familiar with editing OpenStreetMap, the OpenHistoricalMap editing experience is very similar. See the tagging guidelines for information on a few changes we’ve made to accommodate the time dimension. Please report any issues and send us your ideas on GitHub or our forum.

Then and now

From OpenHistoricalMap's community projects:

Left: The 1964–65 World’s Fair in Queens, New York City. Right: The same location today.

On this day

Selected establishments and disestablishments on February 27:

1253: Bochnia in Poland gains town rights.
1884: The South African Republic gains independence from the United Kingdom.
1976: The Sahrawi Arab Democratic Republic is proclaimed after Spain evacuates Western Sahara.
2014: The Dude Chilling Park sign, referring to a sculpture in the park, is installed in Vancouver, British Columbia.
2022: A 7-Eleven branch closes in Osaka, Japan.

Statistics

2.4M
dated elements
588k
buildings
428k
railroad miles
127
average age
1938
average year
1,970
contributors

Source: Overpass API, Overpass API, Planet
February 3, 2026

Historical statistics

News

February 20, 2026: JOSM’s Changeset Viewer plugin adds support for OHMCha.
February 13, 2026: Help us make our first donation drive a success!
January 31, 2026: better-osm-org adds experimental support for enhancing OpenHistoricalMap’s website interface.
January 31, 2026: OpenStreetMap Americana prototypes a port to OpenHistoricalMap.