Typically, the official language in the Caliphates was Arabic, but there were several Caliphates in Persia, Central Asia, and India which did not use Arabic as their official language. The Ottoman Empire also used Turkish.
The Muslim Caliphate is a vicious, Arab theocracy. Thus Arabic and Islam are key to their Propaganda. Thank goodness most Muslims and Arabs are decent, nice people and the Caliphate is collapsing.
It has no Official State language.
Ukrainian is the official language of Ukraine.
Bimini is in the Bahamas, where English is the official language.
No, Spanish is not the official language of Egypt. Arabic is the official language of Egypt.
No, French is not the official language of England. The official language of England is English.
Arabic became the official language of Egypt when the Islamic Caliphate conquered Egypt in the 640s C.E. Arabic became the dominant Egyptian language (as opposed to Koine Greek or Byzantine Latin) in the mid-900s C.E. when Muslims became the majority of the Egyptian population.
California has not designated an official language. The state recognizes English as the de facto language for government and official business, but there is no official language specified in the state's constitution or legislation.
Rome doesn't technically have an official language.
The official language in Egypt is "Arabic".
Quebec's official language is French.
Sanskrit is the official language