On August 20, On this day in 1866, President Andrew Johnson officially ended the Civil War with a proclamation that "the insurrection in the State of Texas has been completely and everywhere suppressed and ended." Texas was the last state of the Confederacy to agree to such a declaration. Johnson had declared a state of peace between the U.S. and the other ten Confederate states on April 2, 1866. The last land battle of the Civil War took place at Palmito Ranch near Brownsville on May 13, 1865, more than a month after Robert E. Lee surrendered at Appomattox Courthouse.