ANTIETAM
| Date | Clue |
|---|---|
| 2016-07-08 | Civil War battle site |
| 2011-07-10 | 1862 invasion battle site |
| 2010-11-05 | Maryland's historic ___ Creek |
| 2007-05-18 | Bloody battleground for Lee |
| 1999-03-27 | 1862 battle site |
| 1997-04-15 | 1862 Maryland battle site |
| 1996-08-01 | Site of a Gen. McClellan victory |