It is Emperor John's turn, in 1379, …
Years: 1379 - 1379
It is Emperor John's turn, in 1379, to escape prison—with Venetian and Turkish aid—and be restored to the throne, on the condition that he recognize Andronikos as his rightful heir and swear allegiance as the vassal of Murad, who compels John to pay tribute and lend him military aid.
