Complex sentence: The 34th Regiment of Foot was an infantry regiment of the British Army, formed in 1702 and amalgamated with the 55th (Westmorland) Regiment of Foot to form the Border Regiment on 1 July 1881.
Split into simpler sentences: The 34th Regiment of Foot was an infantry regiment of the British Army, formed in 1702. It amalgamated with the 55th (Westmorland) Regiment of Foot to form the Border Regiment on 1 July 1881.