Ulysses S. Grant Approaches Fort Henry #history #civilwar #Union #Confederate Friendly Fire at Fort Donelson #history #civilwar #Union #Confederate #tennessee The Battle of Fort Donelson changed everything. In February 1862, a frozen Tennessee frontier became the gateway to the Deep South—and the place where Ulysses S. Grant earned the nickname that would define him: “Unconditional Surrender.” This animated battle map walks you step-by-step through the Union’s bold river campaign, the pounding n