The Ku Klux Klan, founded by Nathan Bedford Forrest, originally the militant wing of the post-Civil War Democratic Party
The Civil Rights Act of 1964.... originally filibustered by a group of Senators, 18 Democrats and 1 Republican, including Al Gore, Sr. Democrat; yep, father of Vice President, Al Gore, Jr.
The longest filibuster against the Civil Rights Act of 1964, fourteen hours and thirteen minutes.... by Senator Robert Byrd of West Virginia, a Ku Klux Klan recruiter. Yes, you are correct, that is current sitting Senator Robert Byrd, Democrat, of West Virginia.
Who blocked the integration of the University of Alabama? Governor George Wallace, Democrat.
It was Republicans who passed the thirteenth amendment, banning slavery.
It was Republicans who passed the fourteenth amendment, giving blacks due legal process
It was Republicans who passed the fifteenth amendment, giving blacks the right to vote.
In 1894, the Democrats passed the Repeal Act which took away civil rights from blacks granted by Republicans in 1892.
The term "yellow dog Democrat" came from the fact that Democrats would rather for for a yellow dog than a Republican because Republicans favored civil rights.
Democrats opposed the Civil Rights Acts of 1866, 1875, and 1964
The 1924 Democratic convention featured a 10,000 person Ku Klux Klan rally.
So if Democrats want to play the racism game, in the words of President Barrack Obama, "Go for it!" We will just start teaching real history.