Exploring the most important 55 months in American history
Confederate Texans and Native Americans defeat Unionists a second time this month in the Indian Territory.
Abraham Lincoln finally decides upon a course of action regarding Great Britain’s demands to release the Confederate envoys seized aboard the British steamer Trent.
Federal naval forces make gains in December by capturing various blockade runners and seizing forts along the coast.
Henry W. Halleck issues General Orders as part of his Federal program to suppress alleged disloyalty in Missouri.
Federal forces win a minor victory in a struggle over foraging rights in northern Virginia.
Federals under John Pope overwhelm a force of Missouri State Guards and demoralize secessionists in the western part of the state.