Teutonic Knights secure control of conquered Prussian lands
Gatto recounts that the Order of Teutonic Knights Christianized Prussia by exterminating the native population and replacing it with Germans. By 1281 the Order's hold on the former Slavic lands was secure.
By 1281, the Order’s hold on lands once owned by the heathen Slavs was secure.
The Underground History of American Education , p. 118-119