EN
The subject introduced herein is not well known in Slovak and Hungarian historiography, and has been inquired into on the basis of new documents. In their reports from the years 1939–1941 until the very end, Soviet diplomats dealt with Slovak and Hungarian relations, and therefore this material serves as an interesting contribution toward understanding the relations between these two states. Slovakia’s foreign policy was hoping that the Soviet Union as a Slavic brother state would support Slovakia in the Hungarian-Slovak conflict. The rivalry between Hungary and Slovakia, when both states since 1939 were attempting to gain Hitler’s favor, eventually led to them even attempting to win points to military domain. Thus, both of the states became ensnared in the war against the Soviet Union, an effort which other satellite states also joined. According to Jozef Tiso, Slovakia needed to enter the war against the Soviet Union because it could thus gain a basis from which to regain its territories that had been annexed to Hungary. The relationship between both states was from the point of view of the foreign policy of the Soviet Union important because it was able to thus gain information about Germany, or as the case may be, it was able to restrain them from declaring war.