Main Page | See live article | Alphabetical index The current Flag of Ontario was proclaimed the official flag of the Canadian province of Ontario by the Flag Act on May 21, 1965. The flag is a defaced Red Ensign, with the Union Jack in the upper left hand corner and the Ontario shield of arms in the fly. Prior to 1965 Canada as a whole had used both the Canadian Red Ensign and the Union Jack, but in that year the Maple-leaf flag was introduced as the flag of Canada. See also: List of Canadian provincial and territorial symbols This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.