Question: Austria relinquished its control over the Netherlands due to the signing of a treaty which occurred on which date?
Sentence (from "L'houcine Ouzgni"): L'houcine "Aussie" Ouzgni (born 10 March 1984) is a Dutch-Moroccan Light Heavyweight/Middleweight Muay Thai kickboxer fighting out of Amsterdam, Netherlands for Top Team Beverwijk.
Relevant evidence: No