With the ongoing revolutions of 1989, in 1990 the Baltic republics declared reinstatement of their independence and exit out of the Soviet Union.
Lithuania declared its independence on March 11, on March 30 the Estonian Soviet Socialist Republic announced that its existence is not legal by recognizing itself as a territory under the Soviet occupation since 1940, Latvia simply repeated the feat of Lithuania on May 4.
The club that in previous season qualified for the 1990–91 UEFA Cup was denied entrance to the European competitions.
The four best Lithuanian teams from Baltic League and the 1 Lyga qualified for the National Championship play-off.
Also both Chernyakovsk and Yelgava clubs competed in the 1990 Soviet Second League B, Zone 6.