Medieval ship discovered off Copenhagen may be the world's largest cog - Medievalists.net
A 15th-century cog named Svælget 2, approximately 28m long with ~300-ton capacity, is the largest known, revealing rare medieval ship construction details.
Mieszko I and the Making of Medieval Poland - Medievalists.net
Mieszko I unified Slavic tribes into the foundation of the Polish state through leadership, trade networks, and military power in tenth-century Central Europe.
