Republic of Central Lithuania authority over the area. Instead, it continued to treat the so-called Vilnius Region as part of its own territory and the city itself as its constitutional capital, with Kaunas being only a temporary seat of government. The dispute over the Vilnius region resulted in much tensions in the Polish-Lithuanian relations in the interwar period. Some historians have argued that if Poland had not prevailed in the Polish-Soviet War, Lithuania would have been invaded by the Soviets, and would never have experienced two decades of independence. Under this scenario, despite the Soviet-Lithuanian Treaty of 1920, Lithuania was very close to being
History of Lithuania 1410, but the allied armies failed to take Marienburg, the Knights' fortress-capital. Nevertheless, the unprecedented total battlefield victory against the Knights permanently removed the threat that they had posed to Lithuania's existence for centuries. The Peace of Thorn (1411) allowed Lithuania to recover Samogotia, but only until the deaths of Jogaila and Vytautas, and the Knights had to pay a large monetary reparation. The Union of Horodło (1413) incorporated Lithuania into Poland again, but only as a formality. In practical terms, Lithuania became an equal partner with Poland, because each country was obliged to choose its future ruler only with