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…

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.

We also maintain several software projects to facilitate map contributions and data reuse. Please report any issues and send us your ideas on GitHub.

Then and now

From OpenHistoricalMap's community projects:

Left: The Venetian star fort of Palmanova in 1600. Right: The same location today.

On this day

Selected establishments and disestablishments on June 12:

1127: The Song dynasty loses control of northern parts of its territory to the Jin dynasty, beginning a period now known as the Southern Song.
1766: Grantown-on-Spey is founded in Scotland.
1928: In Michigan, the cities of Fordson and Dearborn consolidate into one city named Dearborn.
1940: In Michigan, the Village of Clawson incorporates as a city, withdrawing from Royal Oak and Troy townships.
1947: Empire Raceways begins operation in Menands, New York.
1957: Silay is founded in Negros Occidental.
2011: The Moscow Planetarium opens in Moscow.
2017: The Whitechapel Bell Foundry closes in London after over 400 years in business.

Statistics

1.2M
dated elements
380k
buildings
227k
railroad miles
126
average age
1931
average year
1,421
contributors

Source: Overpass API, Overpass API, Planet
June 2, 2024

Historical statistics

News

June 11, 2024: Presentation slides from State of the Map U.S. are now available in the project bibliography. Recorded videos will be available soon.
June 4, 2024: The Historic stylesheet has moved to a new location. If you have a website or application that embeds an OpenHistoricalMap-based style, please update to the new URL.
May 2, 2024: The site will be in read-only mode for a few hours on Thursday to upgrade the database. You will not be able to edit the map during this time.
April 13, 2024: QLever now updates daily with the latest OpenHistoricalMap planet data.
April 10, 2024: In iD, you can now switch the background layer to Esri World Imagery Wayback layers captured on a variety of dates within the last decade.