In 885 Pope Stephen V issued a Papal bull to forbid the use of Slavic liturgy[citation needed] and in 886 the ruler of Great Moravia Svätopluk I[citation needed] exiled the disciples of the two brothers.
The route of Sava and other disciples of Saints Cyril and Methodius to the First Bulgarian Empire remains unclear.
They resettled in Bulgaria, where they were welcomed by Boris I and commissioned to establish theological schools.
The fate of Sava after his arrival in Bulgaria remains unclear.
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