Premise: The Flag of the City of Scarborough, Ontario was officially dedicated on August 19, 1969, by then-Mayor Albert Campbell at a special ceremony in Thomson Memorial Park. It was designed by local painter Doris McCarthy (1910–2010) in the spring of 1968, who was presented with the idea by her friend Albert Campbell.
Hypothesis: The flag of Scarborough, Ontario was designed by local painter Doris McCarthy (1910-2010) on August 19, 1969.