April 16, 2013
While not nearly as deadly as the regular terrorist attacks in the Middle East, the Boston Marathon attack was the worst bombing on US soil since the nation went on high alert following the events of September 11, 2001.
The two blasts in Boston that killed three people and injured more than a hundred and forty has not been officially declared as a terrorist attack by investigators, but several leading US lawmakers have judged it to be one. Nobody has so far claimed responsibility for the act. More.