No matter the origin and the true meaning of the symbol, the Circle A is a very powerful symbol of anarchism world-wide. It is very often seen spray-painted on walls and under bridges or on the background of a black flag of anarchism.
Black triangles for "the asocial category was not exclusively lesbian; it was a diverse grouping that included prostitutes, vagrants, murderers, thieves, and those who violated laws prohibiting sexual intercourse between Aryans and Jews."
The Third Reich utilized a myriad of colored triangles to classify the various groups of peoples they interned in concentration camps. The colors of the triangles were as follows: red for political dissidents, green for criminals, purple for Jehovah's Witnesses, blue for emigrants, brown for Gypsies,...