Poland Kruszwica tower erected on the Lake Gopło. The first historically documented ruler of Poland, Duke Mieszko I, had his palace on an island in the Warta River in Poznań. Nowadays the Polish lakes provide a location for the pursuit of water sports such as yachting and wind-surfing. The Polish Baltic coast is approximately long and extends from Świnoujście on the islands of Usedom and Wolin in the west to Krynica Morska on the Vistula Spit in the east. For the most part, Poland has a smooth coastline, which has been shaped by the continual movement of sand by currents and
Ludmila (wife of Mieszko I Tanglefoot) a minority hypothesis that Ludmila was daughter of Soběslav I, Duke of Bohemia, Conrad II, Duke of Znojmo or Vladimir, Duke of Olomouc. Ludmilla contributed to the foundation of the Norbertine monastery in Rybnik, who was later transferred to Czarnowąsy. Mieszko and Ludmila had the following children: Ludmila (wife of Mieszko I Tanglefoot) Ludmila (d. October 20 after 1210) was the wife of Mieszko I Tanglefoot. Her origins are disputed. Mieszko I Tanglefoot married Ludmila between 1170-1178. Given her name, scientists think that Ludmila came from Bohemia, a member of the Přemyslid dynasty, since this was one of the only