Black History Month in Canada feels permanent now, but it was never guaranteed. We talk with Rosemary Sadlier, researcher, author, and longtime leader with the Ontario Black History Society, about the unglamorous, determined work it took to move Black History Month from community celebration to national recognition. She walks us through the reality of advocacy before social media: missed deadlines, long-distance calls, mailed letters, and the patience to keep pushing even when no one re...