SDHistCon Winter Quarters 2026 is in 16 days! Here are some of the amazing events to expect at this online convention, featuring @markherman54.bsky.social, @volko.bsky.social, @djackthompson.bsky.social, @jasondcmatthews.bsky.social, @danbullock.bsky.social, and many more! sdhist.com/exciting-eve...