Hungary was founded during a conquest.
This article discusses the known pre-history and early history of the territory of present-day Hungary up to the Magyar ( Hungarian ) conquest in the 9th century and the foundation of the Principality of Hungary . Hungary . Following centuries of successive habitation by Celts , Romans , Slavs , Gepids and Avars , the foundation of Hungary was laid in the late 9th century by the Hungarian grand prince Árpád in the conquest of the Carpathian Basin .