Basil Onomagoulos

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Basil Onomagoulos (

Byzantine official who was declared rival emperor in Sicily in 717, taking the regnal name
Tiberius.

Basil was from

patrikios and strategos of Sicily, with a few men and imperial instructions for the army. On his arrival, the people of Syracuse and the army surrendered the rebels. Basil and his head general were beheaded and their heads sent to the emperor, while the other rebels were tonsured or mutilated and exiled. Sergius himself managed to escape to the Lombards
in mainland Italy, and returned only after he received guarantees that no harm would befall him.

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