Demographic developments in western Europe facilitated this “colonization.” The settlers—assured of personal flexibility, mounted rents, and many measure of self-administration and functioning underneath the so-termed German Legislation—Launched new villages and cities or reorganized outdated kinds. Cities been given official charters (Wrocław in 1242, Poznań in 1253, Kraków in 1257) ... https://polawede.tumblr.com/