Great Canadian Flag Debate retention of the Canadian Red Ensign. Diefenbaker and his lieutenants mounted a filibuster. The seemingly endless debate raged on in Parliament and the press with no side giving quarter. Pearson forced members of Parliament to stay over the summer, but that did not help. On September 10, 1964, the Prime Minister yielded to the suggestion that the matter be referred to a special flag committee. The key member of the 15-person panel, Liberal Member of Parliament John Matheson said that they "were asked to produce a flag for Canada and in six weeks!" On September 10, 1964, a committee of
Great Debate (astronomy) Great Debate (astronomy) The Great Debate, also called the Shapley–Curtis Debate, was held on 26 April 1920 at the Smithsonian Museum of Natural History, between the astronomers Harlow Shapley and Heber Curtis. It concerned the nature of so-called spiral nebulae and the size of the universe; Shapley believed that distant nebulae were relatively small and lay within the outskirts of Earth's home galaxy, while Curtis held that they were in fact independent galaxies, implying that they were exceedingly large and distant. The two scientists first presented independent technical papers about "The Scale of the Universe" during the day and then