Republic of Central Lithuania invaded by the Soviets in summer 1920 and being forcibly incorporated into that state, and only the Polish victory derailed this plan. After the Molotov-Ribbentrop pact and the Soviet invasion of Poland of 1939, Lithuania was given in accordance with the Soviet–Lithuanian Mutual Assistance Treaty Vilnius, and its surroundings up to 30 kilometers, on October 10, 1939. A part of the region was given to the Belarusian SSR. Vilnius very quickly became the capital of Lithuania again. But in 1940, Lithuania was swallowed up by the Soviet Union, forced to become the Lithuanian SSR. Since the restoration of Lithuanian independence
Law of Lithuania Law of Lithuania Lithuanian law is a part of the legal system of Lithuania. It belongs to the civil law legal system, as opposed to the common law legal system. The legal system of Lithuania is based on epitomes of the French and German systems. The Lithuanian legal system is grounded on the principles laid out in the Constitution of the Republic of Lithuania and safeguarded by the Constitutional Court of the Republic of Lithuania. The Lithuanian law has a long history. The origins are traced back to the first written source, the Casimir Code (), published in 1468 by