<human>:  Who was the Doge of Venice?
<bot>: The Doge of Venice was the elected head of state of the Republic of Venice. The Doge was the head of the government, the head of the military, and the head of the judiciary. The Doge was elected by the people of Venice, and served for a period of four years. The Doge was the highest authority in the Republic of Venice, and was the only person who could declare war.