uns began to leave the Central Asian steppes. They crossed the Danube in 377 AD and occupied Pannonia, which they used for 75 years as their base for launching looting-raids into Western Europe. However, Attila's death in 453 brought about the disappearance of the Hun tribe. In 568 a Turko-Mongol tribal confederacy, the Avars, conducted their own invasion into the Middle Danube region. The Avars occupied the lowlands of the Pannonian Plain, established an empire dominating the Carpathian Basin. In 623, the Slavic population living in the western parts of Pannonia seceded from their empire after a revolution led by Samo, a Frankish merchant. After 626 the Avar power started to gradually decline but their reign lasted to 804.
Slavic states
The Slavic tribes settled in the territory of present-day Slovakia in the 5th century. Western Slovakia was the centre of Samo's empire in the 7th century. A Slavic state known as the Principality of Nitra arose in the 8th century and its ruler Pribina had the first known Christian church of Slovakia consecrated by 828. Together with neighboring Moravia, the principality formed the core of the Great Moravian Empire from 833. The high point of this Slavonic empire came with the arrival of Saints Cyril and Methodius in 863, during the reign of Prince Rastislav, and the territorial expansion under King Svätopluk I.
Great Moravia, 830–896 AD
Great Moravia arose around 830 when Moimír I unified the Slavic tribes settled north of the Danube and extended the Moravian supremacy over them. When Mojmír I endeavoured to secede from the supremacy of the king of East Francia in 846, King Louis the German deposed him and assisted Moimír's nephew, Rastislav (846–870) in acquiring the throne. The new monarch pursued an independent policy: after stopping a Frankish attack in 855, he also sought to weaken influence of Frankish priests preaching in his realm. Rastislav asked the Byzantine Emperor
