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Matthias Hunyadi of a conspiracy against King Ladislaus V, both were arrested, Ladislaus being executed, and Matthias being taken to Vienna to the court of the king.
Peace was effected between Matthias and Frederick by the intervention of the papal legate in 1477, but war soon broke out again, and in 1485 Matthias took Vienna.
Matthias introduced reforms in the army, in finance, and in the administration of the courts and the law.