Are you talking about 1940s Nazis, or the current batch of white pride pussys?
If you are talking about World War 2 era, hell yes. All the time we learn new stuff.
Report: Argentina to Reveal Nazi Immigrant Secrets to Netanyahu - Hamodia Jewish and Israel News
When things fell apart in the very end... So many things happened that we'll never know about. Missing / stolen art all around the world.