FRANK CRAWFORD ARMSTRONG 1835-1909
Armstrong remains a unique figure in US history: the only Confederate general to have also lined up on the Union side. He was a Union captain early in the Civil War, then swapped uniforms and rose to the rank of Confederate brigadier-general, a post in which he was praised for his “prudence, discretion and good sense”.
Because of a technicality, Armstrong was on both sides for several days
ALAMY X5, AKG IMAGES X1, GETTY X2, REX/SHUTTERSTOCK X1