The Committee of Estates governed Scotland during the Wars of the Three Kingdoms

Wars of the Three Kingdoms

The Wars of the Three Kingdoms formed an intertwined series of conflicts that took place in England, Ireland, and Scotland between 1639 and 1651 after these three countries had come under the "Personal Rule" of the same monarch...

 when the Parliament of Scotland

Parliament of Scotland

The Parliament of Scotland, officially the Estates of Parliament, was the legislature of the Kingdom of Scotland. The unicameral parliament of Scotland is first found on record during the early 13th century, with the first meeting for which a primary source survives at...

 was not sitting. It was dominated by Covenanter

Covenanter

The Covenanters were a Scottish Presbyterian movement that played an important part in the history of Scotland, and to a lesser extent in that of England and Ireland, during the 17th century...

s of which the most influential faction was that of the Earl of Argyll

Archibald Campbell, 1st Marquess of Argyll

Archibald Campbell, 1st Marquess of Argyll, 8th Earl of Argyll, chief of Clan Campbell, was the de facto head of government in Scotland during most of the conflict known as the Wars of the Three Kingdoms, also known as the British Civil War...

.

The Committee derives it name from the "Estates of Scotland" which was an alternative name for the Parliament of Scotland (see The Three Estates of Scotland).