diff --git a/README.md b/README.md
index 69e8fc45..cf3d2868 100644
--- a/README.md
+++ b/README.md
@@ -420,6 +420,12 @@ See the [`factbook`](https://github.com/factbook/factbook)
 command line tool and scripts for details.
 
 
+## License
+
+![](https://publicdomainworks.github.io/buttons/zero88x31.png)
+The datasets and scripts are dedicated to the public domain. Use it as you please with no restrictions whatsoever.
+
+
 ## Questions? Comments?
 
 Send them along to the [Open World Database (world.db) and Friends Forum/Mailing List](http://groups.google.com/group/openmundi).