The first century AD, occupied by the Roman Empire, the ancient Roman construction of the road, urban infrastructure and architectural relics, temples, art treasures and a lot of legends, so far can be seen. Followed by the Byzantine Empire. In 681 Bulgaria defeated the Byzantine Empire, the establishment of the Bulgarian first empire, is a strong independent empire. The 14th century Ottoman Empire ruled, independent of 1908, before 1990 as a socialist ally of the Soviet Union, after 1990 to become a multi-party democratic state, began to promote a new market economy, in January 2004 to join NATO, 2007 To become an official member of the European Union. February 2013 joined the Schengen area, there are colorful history.