This Simple Thanksgiving Cards diagram will assist you in expressing your gratitude. Thanksgiving is observed on the fourth Thursday of November in the United States. Many believe this holiday is only observed in the United States, but Thanksgiving is also observed in Canada in October. Martin Frobisher, an English seaman, held the first Canadian Thanksgiving in 1578 to thank God for his safe passage from England to Canada. In todo lists and work deadlines, it's all too easy to miss the details of the day, forgetting that each day is full of precious gifts. To get started with the Simple Thanksgiving Cards diagram, you can download this EdrawMax template online.