1) what exactly is Britain ? 2) wnhen was the name

1) what exactly is Britain ? 2) wnhen was the name great britain first used? what is its official name? 3) why was the united kingdom formed in 1801? 4) what happened in ireland in 1921? 5) were there any attempts at devolution in scotland and wales? why? 6) what does crown dependency mean? 7) how was britain called in ancient times? why? 8) why are the white cliffs of dover so popular with tourists and people all over the world? 9) when did the nation form on the british isles? how did it form ? 10) why do so many differences exist between england , wales, scotland and ireland ? 11) why was british called Great ?