Which republics were part of the USSR and in what year did they secede from the USSR?

The USSR included Belarus, Russia, Ukraine, Lithuania, Turkmenistan, Estonia, Uzbekistan, Latvia, Tajikistan, Kyrgyzstan, Azerbaijan, Georgia, Kazakhstan, Moldova. The collapse of the USSR began in 1990, when Lithuania expressed a desire to secede from the Union. Troops were immediately brought into the country. Then other countries began to declare their withdrawal from the USSR. As a result, Belarus, Russia and Ukraine in 1991 signed an agreement on the creation of the CIS.