Robert Pape (27 August 2003). "The Strategic Logic of Suicide Terrorism". American Political Science Review97 (3): 343. doi:10.1017/S000305540300073X. "Before the early 1980s, suicide terrorism was rare but not unknown (Lewis 1968; O’Neill 1981; Rapoport 1984). However, since the attack on the U.S. embassy in Beirut in April 1983, there have been at least 188 separate suicide terrorist attacks worldwide, in Lebanon, Israel, Sri Lanka, India, Pakistan, Afghanistan, Yemen, Turkey, Russia and the United States.".