 In the medieval and later ages, Udvard was a place where many significant events took place.1309 is a very important date because a synod with the Estergomian archbishop as leader took place in the royal chateau on the top of Saint-Martin hillock.At this synod, they legitimated the ruling role of Charles Robert from the dynasty of Anjou's, and they made a decision about the punishment of intemperate criminals who belonged to Čák Mathias (Čák Matúš) and about his own silencing.