Samuel R. Curtis regroups his Federal Army of the Southwest and prepares to counterattack Earl Van Dorn’s Confederates at Pea Ridge and Elkhorn Tavern.
Earl Van Dorn’s Confederates attack Samuel R. Curtis’s Federals in northwestern Arkansas, as part of Van Dorn’s mission to reclaim Missouri.
Earl Van Dorn leads a unified Confederate army northward to confront Samuel R. Curtis’s outnumbered Federals in northwestern Arkansas.
Federal forces push Sterling Price’s Missouri State Guards out of their home state, where they join a new army and prepare to counterattack.
John C. Fremont touts the recapture of Lexington and Springfield as great victories, but they do little to change the tumultuous military situation in Missouri.
The “Grand Armies of the Republic” staged a triumphant review through Washington to celebrate the Federal victory and end of the war.