The American Civil War of 1861 to 1865.

(historical) The First Opium War or the Second Opium War, two Anglo-Chinese disputes in the mid-19th century.

A monument to commemorate the people who were killed in a particular war

Alternative form of thumb war

A situation where commercial competitors repeatedly undercut each other's prices in order to attract buyers.

plural of war whoop

plural of war hound

Any of several revolutionary wars (wars of revolution), taken specifically.

plural of act of war

(military) An action that would justify the initiation of hostilities against the perpetrator; an action that by its nature comprises a cessation of peace.