"The King's Own Royal Border Regiment was an infantry regiment of the British Army in existence from 1959 until 2006, and was part of the King's Division. It was formed at Barnard Castle on 1 October 1959 through the amalgamation of the King's Own Royal Regiment (Lancaster) and the Border Regiment. The only official abbreviation of the name was King's Own Border [sic]. (Unofficially, the acronyms KOB, KORB and KORBR were also used.)" - (Wikipedia (en) 01.01.2021)
