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  1. Short History of the United States Flag - American Battlefield Trust

  2. Flag Timeline - US History

  3. Grand Union Flag - Wikipedia

  4. Betsy Ross flag - Wikipedia

  5. The Thirteen Colonies and Their Flags - American Flags

  6. Thirteen Colonies - Wikipedia

  7. The Meaning Behind the 13 Flag Folds - Military.com

  8. The 13 Colonies: Map, Original States & Facts | HISTORY

  9. American Flag With Circle Of Stars (Betsy Ross) Explained

  10. Why Are There 13 Stripes on the American Flag? - WorldAtlas