Great Canadian Flag Debate submitted: many contained common elements: At the last minute, Matheson slipped a flag designed by historian George Stanley into the mix. The idea came to him while standing in front of the Mackenzie Building of the Royal Military College of Canada, while viewing the college flag flying in the wind. Stanley submitted a March 23, 1964 formal detailed memorandum to John Matheson on the history of Canada's emblems, predating Pearson's raising the issue, in which he warned that any new flag "must avoid the use of national or racial symbols that are of a divisive nature" and that it would
Flag of Zanzibar yellow cloves was added to the flag. On 12 January 1964, John Okello overthrew the Sultan of Zanzibar and adopted a black-yellow-blue tricolour as the flag of the People's Republic of Zanzibar and Pemba. On 29 January, the country's flag was changed to a blue-black-green tricolour with a thin white stripe at the hoist. This design, which was based on the flag of the Afro-Shirazi Party, was the longest-lived of the post-independence flags and eventually formed the basis for the current flag. On 26 April 1964, Zanzibar united with Tanganyika to form the new country of Tanzania and Zanzibar's old