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.

Then and now

From OpenHistoricalMap's community projects:

Left: The Intramuros quarter of Manila as of 1900. Right: The same location today.

On this day

Selected establishments and disestablishments on April 24:

1794
The Republic of Bouillon is proclaimed as a client state of France.
1802
Georgia cedes to the United States all territory south of North Carolina and Tennessee, east of the Mississippi River, north of 31 degrees north latitude, and west of the present limit of Georgia. This area became unorganized federal territory.
1854
Galicia and Lodomeria is divided into Verwaltungsgebiet Lemberg and Verwaltungsgebiet Krakau, based in present-day Lviv and Kraków, respectively.
1917
Whitebridge Platform opens along the Belmont Branch in New South Wales.
1935
In the Lombardy region of Italy, the Mantua-Desenzano and Mantua-Brescia sections of the Brescia–Mantua–Ostiglia tramway end passenger service.
1975
East Brook Mall opens in Mansfield, Connecticut.
1981
The Kazakhstan National Museum of Instruments opens in Almaty.
2023
Cafe Camtown opens in Cambridge, England.


Statistics
  • 1.1M
    dated elements
  • 360k
    buildings
  • 217k
    railroad miles
  • 127
    average age
  • 1930
    average year
  • 1,380
    contributors
News
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.
February 13, 2024
An experimental new Railway style is now available in the Layer sidebar.
January 17, 2024
The University of Freiburg has set up QLever for querying OpenHistoricalMap data in conjunction with other datasets using SPARQL.
October 26, 2023
We briefly hit 1 million elements with a start_date=* or end_date=* tag for the first time. The millionth dated element is Hoctor Close in Melbourne.


Events
June 6, 2024 – June 8, 2024
State of the Map U.S. in Salt Lake City


Policies and guidelines