OpenHistoricalMap/Browsing
To browse OpenHistoricalMap, visit www
By default, the interface is in your preferred language based on your browser or operating system settings. This includes labels on the map, where we have data on the names of places in your language. To change the language, click the 
Select Language button in the upper-right corner of any page.
Map
The map on the homepage is interactive: pan and zoom to see more details, and adjust the slider at the bottom to travel through time.
The default map layer shows a straightforward selection of what's in the OHM database, but not everything. Click the 
Layers button on the right side of the map to choose a different layer. Some layers specialize in one theme, while others are more artistic:
- Historical
- A straightforward map of OpenHistoricalMap coverage. This is the default layer.
- Railway
- A thematic map of rail infrastructure. If you like this layer, check out OpenRailwayMap for more detail and tools.
- Woodblock
- A simulation of an antique Western map.
- Japanese Scroll
- A simulation of an antique Japanese map.
- Standard, CyclOSM, Humanitarian, Shortbread
- OpenStreetMap maps for comparison.
Time slider
The map on the homepage shows the state of the world at a specific point in time according to the time slider in the lower-right corner of the map. By default, the time slider is set to a date 100 years ago and ranges from 200 years ago to the end of this year. The next time you visit the homepage, it will remember the last date you viewed. To view dates as far back as 4000 BCE, set the Range then click Set. To set a more precise date, click the 
button. Additional controls allow you to animate the map within the currently visible range.
Search
Use the search box at the top to find places and points of interest by name at any point in history.
You can point and click to identify a feature on the map and see more details about it. First, set the time slider to a time period of interest and zoom in to see the map at a local scale. Then click the 
Query features button on the right side of the map, and click on any location on the map. The sidebar shows a list of nearby features and a list of territories that surround the location you clicked on. Select any result to reveal more details about it in the sidebar. These details include tags as well as a brief summary from Wikipedia, if available.
Click the 
Share button on the right side of the map to see options for sharing the map with others.
Advanced tools
The better-osm-org browser extension offers a variety of conveniences for more advanced users.