The main ethnic groups in Slovakia. Others are distributed in Czech Republic, Hungary, Romania, Serbia, France, Britain, the United States and Canada. It belongs to the European alpine type. Use Slovak, belonging to the Slavic language family of Indo-European language family. There are words based on Latin letters. Most religious people believe in Catholicism and a few believe in Protestantism. In the 5th and 6th centuries, Western Slavs lived in Slovakia and made a living by farming. In the first half of the 7th century, in order to resist the invasion of Avar, the Western Slavs of Slovakia, Moravia and Bohemia formed a tribal alliance-Samo Principality. At the beginning of the 9th century, the Great Moravian Empire rose, and the Principality of nitra in the southwest of Slovakia was annexed shortly after its establishment. /kloc-At the beginning of the 20th century, the Great Moravian Empire collapsed, and most of Slovakia belonged to the Hungarian Kingdom of Madzar. From the15th century, Slavs engaged in farming in Slovakia began to be called Slovaks. At the end of 18, serfdom was abolished and Slovaks began to move to Hungarian towns. With the emergence of the new bourgeoisie and proletariat, the modern Slovak nation has gradually formed. From 65438 to 1940s, L Stuart, the pioneer of Slovak national rejuvenation movement, founded Slovak standard language on the basis of central Slovak dialect, and many literary and dramatic works written in national languages appeared, thus enhancing the national consciousness of Slovaks. 1867 The Austro-Hungarian Empire was formed, and the Hungarian ruling class further pursued the national assimilation policy in Slovakia, which hindered the development of the Slovak nation. Slovakia's economy has been backward for a long time. Starting from 1948, the state strengthened investment, and industry and agriculture began to develop rapidly.