Answer: General Lee surrenders to General U.S. Grant at Appomattox in April of 1865
I know this is some years late but I hope that it helps others that need may need it.
Explanation: On April 9, 1865, near the town of Appomattox Court House, Virginia, Confederate General Robert E. Lee surrendered his Army of Northern Virginia to Union General Ulysses S. Grant. ... But the resulting Battle of Appomattox Court House, which lasted only a few hours, effectively brought the four-year Civil War to an end.Sep