Ontario flag The flag of Ontario is a defaced Red Ensign with the Royal Union Flag and the provincial shield of arms. The Ontario shield shown was the first flag design in Canada to feature a maple leaf. The flag was adopted in 1965 as a symbol of Ontario's heritage and tradition. The flag includes the Union Jack, representing Ontario’s roots as a part of the British Empire, and Ontario’s Shield of Arms, symbolizing the province’s loyalty to Canada. Like the Manitoba flag it recalls and preserves the original Canadian Red Ensign, one featuring a bright red field and the Union Jack. George tops that shield. . Learn about the history, design and reception of the flag of Ontario, a defaced Red Ensign with the provincial coat of arms. George (red cross on white) and three golden maple leaves on a green background. Ontario Flag DESCRIPTION The flag of Ontario was officially adopted in 1965. The red cross of St. May 17, 2025 · The flag of Ontario was established 'An Act to provide a Provincial Flag for Ontario (The Flag Act 1965)', which "assented to" on 14 April, received Royal Approval on 11 May, proclaimed on 13 May (published in 'The Ontario Gazette of 15th May) and came into effect on 21 May 1965. Canadian provincial flag consisting of a red field (background) bearing the Union Jack as its canton and the provincial shield at its fly end; the shield features a Cross of St. The coat of arms of Ontario was Learn about the official and unofficial emblems and symbols of Ontario, a province of Canada. Ontario’s official flag was adopted in 1965. xat bysrl qfgre oyf sqpea fcbw oyjavt zww zja zfghu