sentences:  During the 16th to 18th Centuries it was part of the bailiwick of Locarno.In 1531, the Swiss Confederation rejected an application from Intragna, Ascona, Onsernone and Centovalli to form a municipality that was independent of Locarno.Likewise, the conflict-ridden attempts of Golino to form an independent municipality failed in the 18th and 19th Centuries.