During the 14th century, Lithuania was the largest country in Europe: parts of present-day Russia, Austria and all of Poland were territories of the Grand Duchy of Lithuania. With the Lublin Union of 1569, Poland and Lithuania formed a new state, the Polish–Lithuanian Commonwealth. The Commonwealth lasted more than two centuries, until neighboring countries systematically dismantled it from 1772 to 1795, with the Russian Empire annexing all of Lithuania's territory.