USF's collection of maps of America. Includes killing frost dates from 1911, Hog production circa 1860, 1900, Paths of Western Exploration and many more.
WWJD (Which Words Jefferson Digested) Some Flash
Slavery in the North is a website covering the 200-year history of slavery in the northern colonies in what would become the United States.
The only "war" I can think of in U.S. history anything like the present situation is the U.S. Navy's war on Caribbean piracy (1814-1825). Stateless, decentralized foe, no defined fields of battle, no "high-value targets"...Again, 1814-1825: eleven years. Any U.S. history majors out there?