ENThe article considers such aspects of the Battle on the river Strava in 1348 as the structure and the number of the Teutonic and Lithuanian troops, the process of the battle, and the losses of the participants. The most signifi cant outcome of the battle was a weakening of the political position of the Grand Duchy, which was refl ected in the relationships of the Duchy with the Holy Roman Empire, Polish Kingdom, Golden Horde, and Russian Principalities. Due to the proper arrangements the Gediminids in 1348–1352 was capable to minimize the consequences of the defeat in the battle of the Strava river.