Flag of England 1603). In Scotland, and in particular on Scottish vessels at sea, historical evidence suggests that a separate design of Union Flag was flown to that used in England. In the Acts of Union of 1707, which united the Kingdom of Scotland and the Kingdom of England to become the Kingdom of Great Britain, it was declared that "the Crosses of St. George and St. Andrew be conjoined, in such Manner as her Majesty shall think fit, and used in all Flags, Banners, Standards and Ensigns, both at Sea and Land." From 1801, to symbolise the union of the Kingdom of
Acts of Union 1707 the 1639-1651 Wars of the Three Kingdoms. The 1639–1640 Bishops' Wars confirmed the primacy of the Presbyterian Church of Scotland or kirk and established a Covenanter government in Scotland. The Scots remained neutral when the First English Civil War began in 1642, but grew concerned as to the impact of Royalist victory on Scotland after Parliamentary defeats in the first year of the war. Religious union with England was also seen as the best way to preserve a Presbyterian kirk. The 1643 Solemn League and Covenant provided Scottish military support for the English Parliament in return for a religious union