Although the concept of 'Britain' dates back to the Roman period, it was James I that founded Britain in the modern sense. With his accession to the throne in 1603, for the first time Scotland, England, Wales and Ireland were united under one monarch - with James bestowing on himself the title of 'King of Great Britain'. Before James' accession, Scotsmen and Irishmen may have served in the English Army as mercenaries, but it was known as an English...