Probably a mixture of Celtic, Danish and Norse.
English, Welsh, Gaelic and Scots.
English was spoken in both countries. It still is.
celtic
Celtic
No, Welsh is the third most spoken language in Great Britain, at about 1% of the population. Only about 0.3% of the total population of the United Kingdom use BSL.
You would speak the same language you spoke before you went to Great Britain. If you're asking what language you should use in Great Britain, the answer is English.
German has never been spoken in Great Britain, but English is in fact a Germanic language. With the exception of the Celts, most Northern Europeans are Germanic peoples.
The main language is English (Brittish English). It's different than American or Australian English.
The language spoken in Canada is primarily English, which is also the main language spoken in Great Britain. However, it is worth noting that Canada is a bilingual country, and French is also an official language in certain areas, particularly in the province of Quebec.
Cornish is spoken by some people in Cornwall, Great Britain. There are some schools there that teach Cornish, which is recognized as a minority language in the UK.
Britain has speakers of many Latin languages, including Spanish, French, Italian, Romanian, and Portuguese. But none of these languages are widely spoken in Great Britain. French is perhaps the most widely taught foreign language in Great Britain.
The main languages spoken in Great Britain are English, Welsh (in Wales), and Scottish Gaelic (in parts of Scotland). In addition, languages such as Cornish and Irish are also spoken in certain regions.
There is no such nationality as British. This is just the name of a state 'Britain'. The languages spoken within the British Isles are 1/ English 2/ Welsh 3/ Gaelic