Complex sentence: The Royal Scots, shortly followed by a further foot regiment raised on July 13 1680, were sent to Tangier; the Second Tangier, accompanied the King's Battalion, was formed from the Grenadier and Coldstream Guards.
Split into simpler sentences: The Royal Scots, shortly followed by a further foot regiment, the 2nd Tangier Regiment raised on July 13 1680, were sent to Tangier. The new regiment was accompanied by the King's Battalion, which was formed from the Grenadier and Coldstream Guards.