United Kingdom Of Great Britain And Northern Ireland
Definition:
Area was inhabited by ancient Celtic-speaking peoples; invaded by Rome 55 BCE, Romans withdrew 410 CE; invaded by Angles, Saxons, and Jutes, Danes and Normans; various parts have been united by England since the 11th century; was core of large empire 18th-20th century; official language is English, though Scottish Gaelic and Welsh are also spoken.
Definition Source:
Getty TGN