sentences:  An easier solution was to have the captain accept some lands and castles to be mortgaged in return of service (in one occasion the forts of Ricsó (Hričovský hrad) and Nagybiccse (Bytča) to František Hag).An example of mass desertion occurred in 1481 when a group of 300 horsemen joined the opposing Holy Roman forces.One of these recorded insurrections was conducted by Jan Švehla, who accompanied Corvinus to Slavonia in 1465 to beat the Ottomans; but when they were approaching Zagreb, Švehla asked for royal permission to officially quit the offensive with his mercenaries due to financial difficulty.