<P> A five - pointed star ( ☆ ) , geometrically a regular concave decagon , is a common ideogram in modern culture . Comparatively rare in classical heraldry , it was notably introduced for the flag of the United States in the Flag Act of 1777 and since has become widely used in flags . </P>
<P> A five - pointed star ( ☆ ) , geometrically a regular concave decagon , is a common ideogram in modern culture . Comparatively rare in classical heraldry , it was notably introduced for the flag of the United States in the Flag Act of 1777 and since has become widely used in flags . </P>
who came up with the shape of a star
who came up with the shape of a star
United States
United States