Conflicts are arranged chronologically from the late modern period to contemporary history.
Also listed might be any battle that was itself only part of an operation of a campaign of a theater of a war.
The list might also contain episodes of: human sacrifice, mass suicide, genocides, and other related items that have occurred within the geographical area (including overseas territories) of what is today known as, the "United States of America."
This covers conflicts and terrorist attacks in the 1900s that occurred within the modern territory of the United States of America.
This also includes attacks upon the United States from Eurasian powers.