Question

Including Russia, what were the 15 Soviet Republics?

Answer 1

Russian SFSR, 
Ukrainian SSR, 
Moldovan SSR, 
Estonian SSR, 
Latvian SSR, 
Lithuanian SSR, 
Georgian SSR, 
Azerbaijan SSR, 
Armenian SSR, 
Byelorussian SSR, 
Kazakh SSR, 
Kirghiz SSR, 
Tajik SSR, 
Turkmen SSR, 
Uzbek SSR.Brenda Cheney

Answer 2

Armenia, Azerbaijan, Belorussia(Belarus), Estonia, Georgia, Kazakhstan, Kirghizia (Kyrgyzstan), Latvia, Lithuania, Moldavia (Moldova), Russia, Tadzhikistan (Tajikistan), Turkmenistan, Ukraine, and Uzbekistan