Obama Admits to US Role in Iran Coup

This was an important event in history because the mid 1950's newly created states in the Middle-East were electing democratic governments.  By toppling these governments in Iran and Iraq and replacing them with dictatorships was a definite factor in the chaos that we now witness in that region.

http://news.antiwar.com/2009/06/04/obama-admits-to-us-role-in-iran-coup/