Events in the Civil War By LoughrinS Apr 12, 1861 Civil War Begins Period: Apr 12, 1861 to Dec 6, 1865 Important Civil War Dates Jul 21, 1861 First Battle of Bull Run Jul 1, 1863 Gettysburg This is the furthest north the Confederate troops made it. Apr 25, 1865 Abraham Lincoln killed Lincoln was shot and killed by John Wilkes Booth at Ford Theater in Washington D.C.