The following is a list of terrorist incidents that were not carried out by a state or its forces (see state terrorism and state-sponsored terrorism). Assassinations are presented in List of assassinations and unsuccessful attempts at List of people who survived assassination attempts and List of heads of state and government who survived assassination attempts. Definitions of terrorism vary, so incidents listed here are restricted to those that are notable and described as "terrorism" by a consensus of reliable sources. Scholars dispute what might be called terrorism in earlier periods. The modern sense of terrorism emerged in the mid-19th century.

1800–1899

1900–1929

1930–1949

1950–1969

1970–present

By country