The following outline is provided as an overview of and topical guide to the past and present terrorism in the United States: Although terrorism has been given several different definitions, it is most commonly defined as the use of violence to achieve political goals.
[1] Political terrorism has accounted for the majority of attacks in recent decades (a trend that has accelerated in recent years), while Islamist terrorism has accounted for the majority of deaths.
The following are terrorist attacks that have occurred throughout United States history, which have been committed by foreign organizations and individuals.
The following are individuals that have posed threats to United States security in the past, or have been involved in terrorist attacks.
The following is a list of techniques that have been utilized by politically violent individuals in terrorist attacks.