In what year was the ancient Arab state created?

The Arabs began to establish their states in southern Arabia from the end of the 2nd millennium BC to the end of the 3rd century AD. One of the most famous was the state of Saba. A large dam is being erected here, thanks to which the soil is irrigated and the country becomes a magnificent oasis. Saba traded with Egypt, Mesopotamia, Syria. An important role in trade was played by the sale of various incense.
In the north of the Arabian Peninsula from the 1st millennium BC. to the 1st millennium AD the founding of the states of Palmyra, Nabatea, etc.
From the 7th century, the Caliphate was formed, formed by the prophet Muhammad. This time is called the Golden Age of Islam. The territory stretched from Spain to the borders of India. Conversion to Islam plays an important role in relations with other countries. Many literary, poetic, legal, philosophical works appeared from the 8th to the 12th centuries. Geography, mathematics, medicine, and other sciences are developing.