It also exists in history, in scientific discoveries, in literature, in great leaders and in the greatest ideas. It may take hundreds of years, and observable manifestations of culture are important. The area must have Islamic schools, mosques, architecture and an active Muslim community. The community may be Turkish, Moroccan, Saudi or Somali, but it must manifest the faith and culture in the community to such an extent that it displays authentic and lasting signs of Islamic civilization. Islam is a global religion, with adherents around the world. However, Islamic civilization exists roughly from Morocco through North Africa to the Middle East and as far south as Oman. Values, customs and religion may exist throughout the world, but civilization