PBS just aired the story (Among the Righteous)of Robert Satloff's search for "rightous Arabs" -- in this context, righteous refers to those who helped Jewish people in North Africa escape the concentration camps.
Before the show, I knew that there were concentration camps in Europe, but I did not know of the dozens that were established in North Africa. At the time, the Jewish and Islamic communities lived together, with the Jews as second class citizens, but generally in an atmosphere of tolerance (but not acceptance).
When the Nazi and Vichy regimes arrived, concentration camps were set up and the yellow stars handed out. The stories that have been lost are the stories of Arab courage against the Nazis and the Vichy, the stories of those who stood up to the occupiers and hid their neighbors from the SS. The Islamic clergy of Algeria forbid any Algerian from being a custodian of land stolen from Jews.
In Morocco, the king (perhaps like that of Denmark) protected the Jews of his country. Societies were fundamentally changed as the Jews disappeared.
The story was artfully told, and narrated by Robert MacNeil of the MacNeil/Lehrer show.
Yad Vashem has not yet recognized any Arab person as righteous, but it is possible that the man who ruled Morocco at the time might be the first. The documentary centers on a man in Tunisia, Khaled Abdul-Wahab.
The Washington Post noted (review at Amazon.com), "the most interesting aspect of this story is the reluctance of contemporary Arabs to acknowledge noble past acts."
I wonder how the world would be different had the Vichy and Nazi regimes not exported their anti-semitism to North Africa. The Nazis occupied Tunisia and fought there for months, bringing the SS with them.