Politicians across the South are distancing themselves from the Confederate battle flag, but tributes to slaveocracy and its racist legacy persist around the country.
The Confederate flag features prominently in photos of the white youth arrested and charged with the murders.
"History shapes and molds our perceptions of our past, present and future; it informs and builds a narrative: it provides lessons applicable to today's reality."
The death toll is estimated at perhaps as many as 750,000, out of a total U.S. population of only 30 million at the time.
One of the best-known speeches in American history, it was delivered by Lincoln in the midst of the Civil War, four and a half months after the Union armies defeated those of the Confederacy at the Battle of Gettysburg, Pennsylvania.
In 1866, Thaddeus Stevens offered an amendment to a bill requiring 40 acre plots be parceled out to former slaves from both confiscated and public land in the former slave South.
One of the best-known speeches in American history, it was delivered by Lincoln in the midst of the Civil War, November 19, 1863, at the dedication of the Soldiers' National Cemetery
On Aug. 21, 1831 Nat Turner begins a bloody slave revolt in Southampton County, Va., killing about 60 whites and freeing slaves along the way. It is considered the largest revolt of enslaved people in U.S. history.