Azerbaijan Iran Georgia Turkey Azerbaijan Iraq Turkey Iran
Turkey Azerbaijan Iran Georgia
Spanish Russians Ottoman Turks Arabs
Dinar Rouble Dram Drachma
Byurakan Observatory Crimean Astrophysics Observatory Moletai Astronomical Observatory Tartu Observatory
1968 1998 1988 1978
Black Sea Red Sea Caspian Sea Dead Sea Red Sea Dead Sea Black Sea Caspian Sea
3.5 million 350 000 35 000 35 million
350 000 135 million 35 million 3.5 million
Spanish Soviet Union Turkey Arabs