The history of eastern European is dominated by the story of the rise of the Russian empire, yet Russia only emerged as a major power after 1700. For 300 years the greatest power in Eastern Europe was the union between the kingdom of Poland the grand duchy of Lithuania, one of the longest-lasting political unions in European history. Yet because it ended in the late-eighteenth century in what are misleadingly termed the Partitions of Poland, it barely features in standard accounts of European history.