Mecca

Most scholars (both Islamic and Non-Islamic) believe a lunar or luni-solar calendar was in existence in pre-Islamic Arabia, with the obvious omission of the four 'special' months.

The majority of tribes in Arabia were the Quraish tribe, which included the Prophet Muhammad. This tribe was based in Mecca and played a significant role in the political and social dynamics of pre-Islamic Arabia.

Movement for Islamic Reform in Arabia was created in 1996.

pre-Islamic Arabia included indigenous animistic-polytheistic beliefs, as well as ... Until about the fourth century, almost all inhabitants of Arabia practiced ... who lived a generation before Muhammad