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Global Terrorism Database

Published by University of Maryland (UMD) | Department of Homeland Security | Metadata Last Checked: August 02, 2025 | Last Modified: 2023-05-25T14:27:17-04:00
The Global Terrorism Database™ (GTD) is an open-source database including information on terrorist events around the world from 1970 through 2020 (with annual updates planned for the future). Unlike many other event databases, the GTD includes systematic data on domestic as well as international terrorist incidents that have occurred during this time period and now includes more than 200,000 cases.

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