a number of people are constantly removing facts maps references and adding false claims such as pertaining to silesia here are some facts all silesia is situated entirely in magna germania territory silesia territory was part of the holy roman empire by ad as lien to moravian bohemian dukes it was conquered by boleslaw i chrobry a duke of the western polans who pledged allegiance to the holy roman empire the eastern polans came from the dnjpr area further west into germania and are thus named western polans silesia later called upper and lower silesia as part of holy roman empire under lothar silesia as a separate state connected to bohemia king only a state of the holy roman empire germany at time of emperor ferdinand an individual state of silesia under the king of bohemia not the state of bohemia map of poland in polands conquests while under holy roman empire lien w grodeccio map ad poland pink in center surrounded counter clockwise pomerania yellow mark brandenburg beige silesia yellow hungary yellow volhinia beige masovia yellow lithuania inland small pink triangle dobrin land both prussias green western prussia w danzig and eastern prussia samogitia and livonia green