Here's a list of various flags that have represented the U.S. throughout the nation's history:

Sons of Liberty - 1767

Forster - 1775

Continental Colors - 1775

Gadsden - 1775

Betsy Ross - 1776

Francis Hopkinson - 1777

Cowpens - 1781

French Alliance - 1781

Indian Peace - 1803

Star-Spangled Banner - 1813

20-Star - 1818

Great Star (20) - 1818

Old Glory - 1822

Great Star (26) - 1837

Great Flower - 1861

Concentric Circle - 1877

48-Star - 1912

49-Star - 1959

50-Star - 1960