2000, as there was no “0th” Century.
During the golden age of the Islamic empire,many advancements were made in lots of different areas.New forms of art were created,and new ways of thinking including the beginnings of the mathematics system of algebra emerged as well.
hope it helps. :)
Explanation:
some of the main regions are-
Caucasus
Ural
Siberia
Northern Europe
Far Eastern Federal District