The Lithuanian Crusade was a series of campaigns by the Teutonic Order and the Livonian Order, two crusading military orders, to convert pagan Grand Duchy of Lithuania into Roman Catholicism. The Livonian Order settled in Riga in 1202 and the Teutonic Order arrived to Culmerland in 1230s. They first conquered other neighboring Baltic tribes – Curonians, Semigallians, Latgalians, Selonians, Old Prussians (see Livonian Crusade and Prussian Crusade). The first raid against the Lithuanians and Samogitians was in 1208 and the Orders played a key role in Lithuanian politics, but they were not a direct and immediate threat until 1280s. By that time the Grand Duchy of Lithuanian was already an established state and could offer organized defense. Thus for the next hundred years the Knights organize