The Rise of the Polish Monarchy

The history of the Baltic Crusade cannot be understood in isolation from the Polish kingdom. This is the era when Poland recovers from the disasters begun by the Mongol invasions of the 1240s and begins its own eastward expansion.

As the title indicates, this is really the story of Casimir III, whose father arranged a Lithuanian marriage that brought peace on the eastern frontiers and later allowed him to expand toward Rus’ (especially Ukraine) when the minor states there collapsed. Casimir succeeded in everything except siring a legitimate male heir, even though that was the one task expected of every… show more.