I first learned that Canada had a 'different' Thanksgiving when I went to work in Dubai. Before I immigrated here, I worked with a lot of Canuks in the Emirates. The October date (the second Monday) celebrated in Canada is probably a whole lot closer to the actual harvest season and, hence, the first feast. When growing up, though, I only knew Thanksgiving as the fourth Thursday of November. That date works out to be much more commercially convenient, doesn't it?
I'm not sure if some members of the global audience fully realize the importance of these days to North Americans. Thanksgiving is probably one of the bigger holidays in the year. I guess that's backed up by the fact the Wednesday prior is the busiest day of travel in the United States. (I wonder how many millions of invasive pat-downs will be taking place at US airports today.) College kids generally head home. Often generations try to get together.
I can't speculate much about this scanned picture. Did my sister put on a Thanksgiving after mom passed on? Was I working in the Middle East at this time? Laurie?