A Miniature History of the American Revolution has orders of battle for Guilford Court House, the famous battle in the Southern Campaign of the American Revolution.
18th Century
American Revolution Flags
A Miniature History of the American Revolution blog has a set of printable flags for the Continentals.
Smuggler’s Britain
Here’s a website with lots of information on smuggling in Britain in the 18th Century. I think there’s lots of gaming potential here.
Outlaws and Highwaymen Site
Outlaws and Highwaymen is a terrific site loaded with information about English criminal history.a
The Nagziger Collection Online
For many years, George’s Nafziger’s collection of orders of battle for conflicts dating from the 1600s to the 1900s have been a mainstay of the historical wargaming community.
Once available only commercially, Nafziger recently donated his collection to the Army’s Combined Arms Research Library.
The actual files are available as pdfs here. But as they’re numbered and not named, you’ll also want to consult the finding aid here. And a search function.