A Congressional resolution stated , "…that the union be 13 stars, white in a blue field, representing a new constellation."  However, it did not specify how to align the stars.  Therefore, the flag designers at that time arranged them in rows, half circles, and full circles.

Louisville was founded in 1778 as part of the territory of Virginia, and this state was one of the Original Thirteen Colonies.  Consequently, Louisville also displayed the 13 star union on its original flag.

Learn more about Louisville's first Flag at gwav.com