The Royal Scots Fusiliers was a line infantry regiment of the British Army that existed from 1678 until 1959 when it was amalgamated with the Highland Light Infantry to form the Royal Highland Fusiliers which was later itself merged with the Royal Scots, King's Own Scottish Borderers, the Black Watch, the Argyll and Sutherland Highlanders and the Highlanders to form a new large regiment, the Royal Regiment of Scotland. Wikipedia