Pietro Gradenigo

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Pietro Gradenigo's coat of arms

Pietro Gradenigo was the 49th Doge of Venice, reigning from 1289 to 1311. During his reign Bajamonte Tiepolo led a plot, put into effect on 14 June 1310, to overthrow the Grand Council of Venice and Gradenigo. During the failed rebellion, the Rialto Bridge was burnt down. Tiepolo surrendered and was exiled to Istria. He was later permanently banished for allegedly contacting the enemies of the Republic.