Caption

The Second Bulgarian Empire under Ivan Asen, 1218-4 [website]

Summary

Boundary of Second Bulgarian Empire showing limit of control until 1237 (Cumans).

Source

Wikipedia wikipedia:Image:2nd_Bulgarian_empire_map_LOC.jpg

US Government: http://lcweb2.loc.gov/frd/cs/bgtoc.html

Copyright

This work is in the public domain in the United States because it is a work of the United States Federal Government under the terms of Title 17, Chapter 1, Section 105 of the United States Code.