Roberta Bondar, Canada's first woman astronaut and the first neurologist in space! She spent more than a decade as NASA's head of space medicine and has received countless honors including the Order of Canada and the NASA Space Medal.
Roy Brown, Canadian WWI flying ace credited by the RAF with shooting down Manfred von Richtofen on April though it is now believed the Red Baron may have been taken down by an Australian infantryman. Never lost a pilot in his flight during combat.
April The Rwanda genocide, the worst example of genocide since WWII, began with the deaths of 10 Belgian UN peacekeepers at the hands of Rwandan forces. Canadian General Romeo Dallaire UN Commander of record.