Great Britain is the official name given to the two kingdoms of England and Scotland, and the principality of Wales. The United Kingdom (UK) includes these areas as well as Northern Ireland. Britain refers to only England and Wales, though some will shorten Great Britain with this term.
The first Anderson Shelter was erected in a garden in Islington. In all two and a half million were built to protect people from bombs in WW2, today 25th February.1939 They were made from six corrugated iron sheets bolted together at the top with steel plates at either end. The entrance was protected by a steel shield and an earthen blast wall. We had one of these in our back garden