A solemn engagement on the part of the Scottish nation subscribed to by all ranks of the community, the first signature being appended to it in the Greyfriars' Churchyard, Edinburgh, on February 28, 1638, to maintain the Presbyterian Church and to resist all attempts on the part of Charles I. to foist Episcopacy upon it; it was ratified by the Scottish Parliament in 1640, and subscribed by Charles II. in 1650 and 1651.