For 10 points, name this country with capital at Budapest.
This country lost much of its territory in the Treaty of Trianon. Members of this country's Arpad dynasty include Stephen I, its first king. During this nation's communist period, it was led by János Kádár (YA-nos KA-dar). This country saw reforms that led to "Goulash Communism." Through the Ausgleich (OWS-glaik) of 1867, this country spent the later half of the nineteenth and early twentieth centuries as part of a dual monarchy with Austria. For 10 points, name this country with capital at Budapest.
This country lost much of its territory in the Treaty of Trianon.
Republic of {Hungary} [or {Magyarorszag} ; or {Magyar Koztarsasag} ]