Wish we had modern maps but not too modern? Try out the American Civil War Map. Fight on the Confederacy or as the Union. This map comes in 1 vs 1 for Union versus Confederacy or 2 vs 2 for West/East Union versus West/East Confederacy.
1 versus 1:
http://warlight.net/MultiPlayer.aspx?TemplateID=342702
2 versus 2
http://warlight.net/MultiPlayer.aspx?TemplateID=342619
"Once you get them running, you stay right on top of them, and that way a small force can defeat a large one every time..."
-Thomas "Stonewall" Jackson
“In every battle there comes a time when both sides consider themselves beaten then he who continues the attack wins.”
― Ulysses S. Grant
Submitting feedback would be appreciated as it can improve the scenarios to balance.