Wars of the Three Kingdoms

The Wars of the Three Kingdoms, sometimes known as the British Civil Wars, formed an intertwined series of conflicts that took place in the kingdoms of England, Ireland and Scotland between 1639 and 1651. The English Civil War proper has become the best-known of these conflicts; it included abolishing the monarchy and executing the kingdom's monarch, Charles I, by the English parliament in 1649.

Question: have scotland and ireland ever been at war
Answer: yes