history of Bulgaria: Media
Images
The expansion of the Ottoman Empire
Map showing the expansion of the Ottoman Empire from about 1300 to 1700. The empire...
Encyclopædia Britannica, Inc.
World War II
Bulgarian civilians greeting German infantry near Sofia, Bulgaria, c. 1941.
Encyclopædia Britannica, Inc.
North Atlantic Treaty Organization: members and partners
Map and timeline of the member countries and partner countries of the North Atlantic...
Encyclopædia Britannica, Inc./Kenny Chmielewski