Site Key:    Click to Listen    Click to Print Search:      The 21-Star Flag The 21 Star Flag is available for purchase from my friends at U.S. Flag Depot, Inc. The 21-Star Flag: This Flag became the Official United States Flag on July 4th,1819. A star was added for the admission of Illinois (December 3rd, 1818) and was to last for just one year. The only President to serve under this flag was James Monroe (1817-1825). Official Flags of the United States 13-Star 15-Star 20-Star 21-Star 23-Star 24-Star 25-Star 26-Star 27-Star 28-Star 29-Star 30-Star 31-Star 32-Star 33-Star 34-Star 35-Star 36-Star 37-Star 38-Star 43-Star 44-Star 45-Star 46-Star 48-Star 49-Star 50-Star This page is maintained by Duane Streufert, Contact Us. Questions or comments welcome! This Site Established on 20 November 1994. Last Updated 10 February 2005. Web Design and Development by Visionary Enterprises