Each country inside the Union had its very own wonderful regimental flags throughout the time of the Civil War

https://deanrshx384.summitviewdaily.com/posts/the-impact-of-civil-war-flags-on-soldier-morale-and-identity

Each state within the Union had its very own original regimental flags all over the Civil War, reflecting local delight and amazing histories tied to their participation in the struggle.