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Military Science Research Guide: Internet Resources
The Global Terrorism Database (GTD) is an open-source database including information on terrorist events around the world from 1970 through 2007. http://www.start.umd.edu/gtd/
This research project based at Stanford University "traces the evolution of militant organizations and the interactions that develop between them over time." Funded by the NSF and DoD's Minerva Initiative.
The website includes Profiles, Methods and Tactics, Groups, and Calendar Content Notes. Also features interactive Counterterrorism Calendar and Worldwide Incidents Tracking System.