Each kingdom in the Union had its very own interesting regimental flags at some point of the Civil War

https://jaredxnsc037.focalledger.com/posts/preserving-history-the-importance-of-reenactment-quality-civil-war-flags

Each kingdom within the Union had its own particular regimental flags for the period of the Civil War, reflecting neighborhood delight and exact histories tied to their participation within the struggle.