OpenHistoricalMap

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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!



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 or our forum.

Then and now

From OpenHistoricalMap's community projects:

Left: The Choongwan district of the City of Victoria in Colonial Hong Kong as of 1800. Right: The same location today.

On this day

Selected establishments and disestablishments on February 16:

1841
Rancho Rinconada del Arroyo de San Francisquito is established in the Californias of New Spain.
1857
In Texas, the Johnson County Court meets for the first time in a newly built log courthouse.
1890
The Cumana railway opens between Pozzuoli and Cuma Fusaro in Campania, Italy.
1918
The Inland Line opens between Dorotea and Vilhelmina in Sweden.
1934
The United Kingdom creates a commission government for the Dominion of Newfoundland.
1937
In Mexico, Payo Obispo is renamed Chetumal.
1987
In Vietnam, part of Cao Lãnh district is transferred to Cao Lãnh town.
1995
Trude-Herr-Park opens in Cologne, Germany.
1999
Line 1 of the Guangzhou Metro opens between Huangsha and Guangzhou East in Guangzhou, China.
2023
Royce closes in Cincinnati after six months in business.


Statistics
  • 1.7M
    dated elements
  • 433k
    buildings
  • 284k
    railroad miles
  • 133
    average age
  • 1933
    average year
  • 1,613
    contributors
News
February 12, 2025
QLever examples have been updated to reflect an improved data model for members of relations and ways and more metadata.
January 23, 2025
Basic authentication is no longer supported. Update your JOSM configuration to continue editing.
December 3, 2024
Follow our new Bluesky account (bridged from Mastodon) for occasional updates.


Policies and guidelines