"The Muslim brotherhood has experienced two major waves that have risen  and fallen. The first wave was in 1928 in its original launch by group  founder Hassan el-Banna and then the ruthless crackdown of president  Nasser beginning in 1954. The second wave started in 1971 with the  release of their leaders from imprisonment, and ended this year with the  collapse of Morsi’s rule and the subsequent crackdown" (via Nervana , who else?).  
A blog on Middle Eastern affairs... and everything related to it.