Great Canadian Flag Debate red flag for the nation's centennial celebrations. It was designed to appeal to those who were used to the Red Ensign and had not yet become accustomed to the Maple Leaf Flag. The Canadian Red Ensign itself can sometimes be seen today in Canada, often in connection to veterans' associations. In addition, the provinces of Manitoba and Ontario adopted their own versions of the Red Ensign as their respective provincial flags in the wake of the national flag debate. On the other hand, Newfoundland used the Union Flag as its provincial flag from 1952 until 1980; the blue triangles on
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