Graphic from the Canadian Stop It! site.
Unhappily, I had no idea what today is. According to the United Nations, March 21 is the The International Day for the Elimination of Racial Discrimination. Apparently in many countries it has been promoted through school systems since 1966.
As far as I know, it has not made it into our schools -- maybe I'm wrong.
A great starting point for international resources against racism appears here.
Sharpeville after the massacre.