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