War of Independence
The American National Flag appeared in two versions. THat adopted in 1775 contained the "Union" in the canton with seven red and 6 white horizontal stripes. In June 1777, the canton Union was replaced with a blue filed with 13 stars in various arrangements.
Regimental colors were arrange as one regimental color per battalion with 4 "grand Division" (actually 2 companies) colors.
In 1779 Von Steuben adopted a two color system of a National Flag and a regimental flag with a field color of crimson, white, blue or buff depending on the regiment's facing color. This was not universally adopted.
Militia had home made flags in a variety of patterns adopting many of the popular slogan's of the day.
Some of those shown
here are speculative.