The Republic of Uzbekistan is a young state in Central Asia proclaimed its independence in 1991. The nulk of the country lies between the Amu-Darya and the Syr-Darya rivers, which flow into the dried out remains of the Aral Sea. In the 6th –7th millennium B.C. people of an ancient European community settled in this land and in the 3rd millennium B.C. parts of a eastern European community (Tohars and Turans). In the 2nd millennium B.C. core tribes of the Indian-Iranian community. An original civilization of farmers and nomads settled down in the river oases, steppe and foothill pastures that grew there in the Bronze Age. In the first millennium B.C. the first big cities arose in these territories owing to the development of caravan trade between China, India, the Middle East and Europe. The historical events in the territory of Uzbekistan had a crucial meaning for such world religions as Zoroastrianism, Buddhism (Mahayana), Christianity (Nestorian) and Islam. Beginning from the 8th century the area becomes one of the main historical and cultural centers of the Islamic East. Those great states, existed on the land of Uzbekistan in the middle ages such as the Samanids and Qarakhanids, Khorezm-shah and Chagatay, Temurids and Sheybanids, Bukhara, Khiva and Kokand khanates left an important trace in the history. The Memory of millennia has been kept up to now in the unique architectural monuments of the main historical cities of Uzbekistan: Tashkent, Samarkand, Bukhara, Khiva and Shahrisabz.