Certainly, by the 5th century, Oman had a bishop named John – the last bishop of Oman being Etienne, in 676 AD.
There is no proof of contact with the outside world at that stage, although in time it developed with civilisations in Mesopotamia and Iran.
The UAE's oil reserves are the seventh-largest in the world while its natural gas reserves are the world's seventeenth-largest.
The land of the Emirates has been occupied for thousands of years.
One of the monarchs (traditionally always the Emir of Abu Dhabi) is selected as the President of the United Arab Emirates.
Islam is the official religion of the UAE and Arabic is the official language (although English, Urdu and Hindi are widely spoken, with English being the language of business and education particularly in Abu Dhabi and Dubai).