The Treaty of Trianon, signed in 1920 following World War I, had significant repercussions for Hungary. It resulted in Hungary losing about two-thirds of its territory and nearly half of its population to neighboring countries, such as Romania, Czechoslovakia, and Yugoslavia. The treaty imposed severe restrictions on Hungary's military capacity and economic stability. This territorial loss fostered national resentment and a sense of injustice among Hungarians, significantly shaping the interwar period and fueling nationalist sentiments. Consequently, the Trianon Treaty left a lasting legacy of discontent that influenced Hungary's political landscape in the following decades.