Bosnia and Herzegovina, sometimes referred to simply as Bosnia, is a country in Southeast Europe on the Balkan Peninsula. It has had permanent settlement since the Neolithic Age. By the early historical period it was inhabited by Illyrians and Celts. Christianity arrived in the 1st century, and by the 4th century the area became part of the Western Roman Empire. Germanic tribes invaded soon after, followed by Slavs in the 6th Century. In 1136, Béla II of Hungary invaded Bosnia and created the title "Ban of Bosnia" as an honorary title for his son Ladislaus II of Hungary. During this time, Bosnia became virtually autonomous, and was eventually proclaimed a kingdom in 1377. The Ottoman Empire followed in 1463 and lasted over 400 years. They wrought great changes to the political and administ