There are many urban legends regarding the parties that continue to thrive despite the facts.
For instance, the Republicans have consistantly supported major civil rights legislation more strongly than have the Democrats.
While the "conscience of the Senate", Robert Byrd*, (D WV) filibustered against the landmark 1964 civil rights bill the House of Representatives passed the bill by 289 to 126, a vote in which 79% of Republicans and 63% of Democrats voted yes.
After breaking the filibuster the Senate vote was 73 to 27, with 21 Democrats and only 6 Republicans voting no.
And yet the Republicans are viewed as more racially motivated than the Democratic party.
edit> *Byrd (D-WV) Senior Democrat Senator, Senator since 1958, ranking Democrat on the armed services committee, 24 years old in 1941, did not serve in the military but did serve as a recruiter in the Klan.