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
Great Debate (astronomy) took part in a joint discussion that evening. Much of the lore of the Great Debate grew out of two papers published by Shapley and by Curtis in the May 1921 issue of the "Bulletin of the National Research Council". The published papers each included counter arguments to the position advocated by the other scientist at the 1920 meeting. In the aftermath of the public debate, scientists have been able to verify individual pieces of evidence from both astronomers but on the main point of the existence of other galaxies, Curtis has been proven correct. Shapley was arguing in favor