Do Conservatives ever admit that there were any bad right-wingers throughout history?

Hitler belonged to a socialist party, believed in absolute control by Government with him at the helm - remind you of anyone? The Nazi party is actually the final outcome of what we are now calling "liberalism" (communists are indeed calling themselves liberal,progressive,forward-thinking,etc… - all lies and deception to have the hoi polloi put them in power, look at Venezuela, Nicaragua, Cuba, etc.).