Terrorism takes many forms and is not easily defined. Today’s fundamentalist terrorist movement in the Middle East may have sprung from far-right ideologies, but that doesn’t mean that the far-left hasn’t spawned its fair share of terrorist movements.
Left-wing terrorism has an antithetical origin in pro-communist/Marxist, anarchist, and libertarian ideologies. Here are left-wing terrorist movements from around the world just as dangerous and deadly as their right-wing counterparts.