What did Lithuania used to be called?

Answer 1

In early Middle Ages it was called The Grand Duchy of Lithuania (Lietuvos Didžioji Kunigaikštystė), from 1569 to 1795, after forming a commonwealth with Poland it was called the Commonwealth Republic of Both Nations (Abiejų Tautų Respublika in Lithuanian, Zeczpospolita in Polish) After the 1st World War it Was named The Republic of Lithuania and this name stands to this day.
1009-1236 Only the Lithuanian tribes were known

1236-1253 The confederation of Lithuanian tribes

1253-1263 Kingdom of Lithuania

1264-1569 Grand Duchy of Lithuania

1569-1795 Commonwealth of Kingdom of Poland and Grand Duchy of Lithuania, a.k.a. Poland-Lithuania

1795-1917 The North-Western province of the Russian Empire

1918-1940 and 1990-present Republic of Lithuania

1940-1941 and 1944-1990 Lithuanian SSR.

1941-1944 the Oberost (Province of Ostland)

Answer 2

Before Lithuania was the country it is today, it was part of a major empire. This empire was the Soviet Union (USSR). It was an empire created by the country of Russia after the downfall of their previous empire. The Soviet Empire then broke up into about 15 countries, one of those being the modern day Lithuania.