List of terrorist incidents linked to the Islamic State

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History of the Islamic State
Jama'at al-Tawhid wal-Jihad (1999–2004) Al-Qaeda in Iraq (2004–2006) Jama'at Jaysh Ahl al-Sunnah wa-l-Jama'ah (2004–2006) Jaish al-Ta'ifa al-Mansurah (2004–2006) Mujahideen Shura Council (2006) Islamic State of Iraq (2006–2013) Islamic State of Iraq and the Levant (2013–2014) Islamic State (2014–present)
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The following is a list of major terrorist attacks and arrests that have been connected to or have been claimed in reliable sources to be inspired by the Islamic State (IS), also known by other names.

Islamic State's predecessor organization, Islamic State of Iraq (ISI) was established in October 2006, after the dissolution of the insurgent groups fighting under the coalition of Mujahideen Shura Council. Under the leadership of its first Emir Abu Omar al-Baghdadi, ISI was in the Iraqi insurgency against American occupation. After the withdrawal of U.S. troops from Iraq, ISI, then-led by Abubakr al-Baghdadi, continued its insurgency against the Iraqi government. In April 2013, the group officially changed its name to "Islamic State of Iraq and Levant" and established a presence in Syria.

Between June 2014, when the group self-proclaimed itself to be the Islamic State, and February 2018, IS has often made claims of responsibility over 140 terrorist attacks in 29 countries outside Syria and Iraq, that were "conducted or inspired" by the group, while the evidences of those claims are not verified. Hundreds of other attacks were also carried out since 2018.