American Civil War
From TARDIS Index File, the free Doctor Who reference.
The American Civil War was a major conflict conducted in the United States from 1861 to 1865.
The War Lords kidnapped several American Civil War soldiers for use in their War Games. (DW: The War Games)
The Doctor and Charlie Fisher visited Gettysburg in 1863 and aided the Union Army in winning the battle there. (TVA: Backtime)
The Doctor, Peri Brown and Erimem visited the United States during the last few months of the war. (TN: Blood and Hope)
