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 900 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.

http://books.google.com/books?vid=ISBN3831106029&id;=LfmjdNxGXeUC&pg;=PA20&lpg;=PA20&dq;=schlesien+staatsrechtlich&sig;=18HDOxNrnAJpZQNXnjjxLVXwSVk#PPA16,M1 Silesia (later called Upper and Lower Silesia as part of Holy Roman Empire under Lothar

http://books.google.com/books?vid=OCLC26253787&id;=tBbkyzoT6AQC&pg;=RA1-PA134&lpg;=RA1-PA134&dq;=schlesien+staatsrechtlich  Silesia as a separate state connected to Bohemia (king-only), a state of the Holy Roman Empire –Germany

http://books.google.com/books?vid=OCLC38704260&id;=PmQNAAAAIAAJ&pg;=RA1-PA34&lpg;=RA1-PA34&dq;=schlesien+staatsrechtlich At time of emperor Ferdinand- an individual state of Silesia, under the king of Bohemia- not the state of Bohemia-

http://commons.wikimedia.org/wiki/Image:Poland_in_992_map.jpg Map of Poland in 992

http://en.wikipedia.org/wiki/Image:Poland_Fragmentation_Period_map.jpg  Polands’ conquests while under Holy Roman Empire lien

http://www.muzeum-polskie.org/muzeum/Poland_AD_1579.htm W Grodeccio  Map – 1579 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