| Date | Event |
|---|---|
| September 03 1777 | U.S. Flag Flown For The First Time |
| September 11 1777 | British Victory At Battle Of Brandywine, PA |
| September 19 1777 | British Forces Victorious In First Battle Of Saratoga |
| September 26 1777 | American Revolution: British Occupy Philadelphia |
| September 27 1777 | Lancaster, Pennsylvania Capital For One Day |