Added Soviet Union annexing Estonia

Added Soviet Union annexing Latvia

Fixed Latvia name.

Added occupation of Bukovina, Bessarabia and Hertza region by Soviet Union before Lithuania annexation

Added occupation of Bukovina, Bessarabia and Hertza region by Soviet Union

Added Soviet Union annexing Lithuania

Fixed Latvia southern border and name.

Added Lithuania after the first Vilnius Region Soviet Union territory transfer.

Added Soviet Union (1939) to Soviet Union Relation.

Added border change between the Soviet Union and Lithuania and fixed Ukraine (1939-1940) border

Fixed dates for the Soviet Union Relations.

Added Soviet Union (1939-1940) expansion into eastern Poland.

Fixed typo from Ukraine from 1939-1940

Added new variant of Ukraine from 1939-1940 and edited dates for Belarus 1939-1941

Reordered Belarus Relation and added new variant of Ukraine from 1919-1939

Adding the Belarus SSR from 1939-1941 to the Belarus Relation.

Adding the Belarus SSR before the Soviet Union annexed parts of Poland in 1939.

Correcting the tags for when the Soviet Union changed their borders.