The Cyrillic alphabet (/sɪˈrɪlɪk/) is a native Slavic alphabet. It is now used to write Russian, Ukrainian, Belarusian, Rusyn, Bulgarian, Macedonian and for most South Slavic languages. It was developed in the Macedonian empire in Tzar Samoil's raign in the 10th century. The Soviet Union made many non-Slavic languages in the Caucasus, Siberia, Central Asia and in northern Russia to be written in Cyrillic.