Did Confederates fly all-black American flags?

Social media users are touting their "no quarter" black American flags. Some say they originated with the Confederacy, but historians say that's not true.

What is the meaning of the black American flag? - Quora

Modern display of the Confederate battle flag - Wikipedia

Confederate battle flag: What it is and what it isn't

What the American flag and its history means for Black Americans

Americans Are Flying Black Flags Upworthy, 59% OFF

Map: The United States of Confederate-flag shopping - The Washington Post

The Confederate Flag: A Controversial Piece of American History

Today's Battle Over the Confederate Flag Has Nothing to Do With the Civil War, Essay

NASCAR Bans Confederate Flag from Its Races, Venues

Why Is the Confederate Flag Flown Outside the US

Confederate Flag at White House: The intellectual history