In this document, there is outlined in accordance with the BC Curriculum a number of topics that can be covered at each grade level (K-7) according to their social studies curriculum. This might be helpful if you are looking for more activities that are age appropriate.
More links with Resources:
The Truth and Reconciliation Commission report put out 94 calls to action derived from their findings. Here are some resources to guide your teaching.
Teachers Pay Teachers isn't always free, but here are some units to consider for different picture books: LINK