"The Great Reindeer Trek" must have occurred either during or before World War II, as this book is dated 1943. So, I wasn't around yet. I DO remember the great 1950 Caribou Famine that affected several Inuit Caribou hunting tribes in The District of Keewatin (now named Nunavut). The Caribou changed their annual migration routes, due to increased Human activity due to WWI and WWII and national security measures, as well as warming of the climate. Apparently, that was already a problem during the whole of the 1940s. The Canadian Federal Government started a policy for settling those tribes in permanent well-structured homes, and trying to find an alternative way for them to feed their families. I don't remember reading about that Caribou drive from Alaska.
We certainly learned about WWI Flying Ace and Air Marshall, Billy Bishop in school. And he is among the well-known military heroes of Canadian history.
Link to the book:
True Aviation Comics Digest 2