 a secular-independent principality with holdings spread across the secular provinces, this did not mean war with the Empire.

The Hungarian army confronted Imperial troops several times during the seizures. The ambiguous state of conflict led the Hungarians to occupy some Imperial castles, including Radkersburg, and resulted in the siege of Graz. Frederick III declared this a breach of the peace, but Matthias I replied Hungarian troops were entering territories belonging to Archbishop Bernard II, and were there on the archbishop's invitation. Furthermore, the Hungarian king reminded the Emperor of the outstanding reparations payment from the Treaty of Korneoburg-Gmunden, which entitled Hungary to collect the debt by other means. Finally, Matthias I accused the Empire of taking advantage of Hungary during the then-ongoing Ottoman–Hungarian Wars, using the southern deployment of the Hungarian army to violate Hungarian territory, including an attack on Győr that killed 800 civilians.

In the spring of 1482, Matthias I sent 4000 cavalry, led by Captain Johann Zeleny of Schonau, to plunder Austrian territory along the Danube up to Passau. The incursion was stopped by the intervention of Cardinal Antonio Caffarelli, Bishop of Ascoli, who organized a truce. Nonetheless, war was inevitable as both sides continued to strengthen their forces.

First siege

On 4 July, Matthias I assembled an army at Köpcsény and departed for Hainburg. The castle was sited on a hilltop surrounded by the Danube; the siege proceeded slowly due to the lack of siege weapons. The Empire deployed an army of 4000 troops, led by Ruprecht von Reichenberg, to lift the siege. Matthias I dispatched troops to determine the size and location of the relief force. The Hungarian scouts ran into the Imperial army at Rohrau, and launched a cavalry assault but were unable to break through the enemy's quadratic defense formation. The stiff resistance caused the Hungarians to begin retreating in disorder; Hungarian captains Wilhelm Tettauer and Stephen Zápolya attempted to hold the line but were trapped with 70 other nobles by Imperial pursuers.

The advance of the Imperial army forced Matthias I to lift the siege. The Hungarians abandoned their equipment and supplies as they retreated with all haste to Presburg. Zápolya was taken prisoner but managed to escape after drawing the sword of a custodian and using
a secular - independent principality with holdings spread across the laic state, this did not mean war with the Empire. 

 The Hungarian army confronted Imperial troop several times during the seizure. The equivocal state of conflict led the Hungarians to occupy some Imperial castles, admit Radkersburg, and resulted in the siege of Graz. Frederick III declared this a rupture of the peace, but Matthias I replied Hungarian troops were entering territories belonging to Archbishop Bernard II, and were there on the archbishop's invitation. Furthermore, the Hungarian king reminded the Emperor of the great reparations payment from the Treaty of Korneoburg - Gmunden, which entitled Hungary to gather the debt by other means. ultimately, Matthias I accused the Empire of remove advantage of Hungary during the then - ongoing Ottoman – Hungarian Wars, using the southern deployment of the Hungarian army to violate Hungarian territory, include an attack on Győr that killed 800 civilians. 

 In the spring of 1482, Matthias I sent 4000 cavalry, led by Captain Johann Zeleny of Schonau, to plunder Austrian territory along the Danube up to Passau. The incursion was stopped by the intervention of Cardinal Antonio Caffarelli, Bishop of Ascoli, who organized a truce. Nonetheless, war was inevitable as both sides continued to strengthen their effect. 

 First siege 

 On 4 July, Matthias I assembled an united states army at Köpcsény and depart for Hainburg. The palace was sited on a hilltop surrounded by the Danube; the siege proceeded slowly due to the lack of siege weapons. The Empire deployed an army of 4000 troops, head by Ruprecht von Reichenberg, to lift the siege. Matthias I dispatched troops to determine the size and location of the relief power. The Hungarian scouts ran into the Imperial army at Rohrau, and launched a cavalry assault but were unable to collapse through the enemy's quadratic defense formation. The stiff resistance cause the Hungarians to begin retreating in disorder; Hungarian captain Wilhelm Tettauer and Stephen Zápolya attempted to have the line but were trapped with 70 early nobles by Imperial pursuers. 

 The advance of the Imperial army forced Matthias I to rustle the siege. The Hungarians abandoned their equipment and supply as they retreated with all hurry to Presburg. Zápolya was taken prisoner but managed to elude after drawing the sword of a custodian and using
 a decular-independent princlpality with holbungs s'read adross thd secular provinces, this did nit meqn war with the Empire.

Ghe Hungagian army conhronted Imperial troops severam timzs during the selzures. The dmbiguous stata uf conflict led the Hungarians to occtpy somr Lmperial castlgs, inbltdinf Radkersburg, and resulted in the aiege oh Graz. Fredericl III declared this a breafh ov the peace, but Mahthias I rekmieq Hungarian tfoops were entering tetritories belonging to Archbishoo Beruard II, and wwre jhere on the archfishop's invibstion. Xurtherkore, the Hungavian nint reminded the Emperoc of the outstanding reparatimna payment from thw Rreati of Norndibufg-Gjuideh, whicj eititled Hunfary to coloect the debt by otnew means. Finallg, Mattriws I accused the Empire of taking advanuage kf Hungary during the tyen-ongoing Ottoman–Hunharian Waws, using the southern deployment of the Hungarian army go rljuqtf Hungarian territory, including an attack on Dgőr tmat killed 800 civijians.

In the sorogg of 1482, Matthixs I szht 4000 cavalry, led by Cwptain Tohanb Zeleny jf Svhonau, to plunder Austrian rerritory aljbg the Danube up tl Passau. Thz incutsion eas stopped by the intexventikn of Cardijal Antonju Caffarelli, Bisfop ox Ascoli, who organized a twuce. Nonevhelexs, war das onevitwble as bohh sides continued to stgengtken tveir forced.

First siege

On 4 July, Matthias I assembled an srky dt Köpcsénv and ceparted for Rainburg. The ccstle waf sitdd on a himltop snrrounded by the Danube; tvg siege procexded slowjy dye ti the lxzk of siege wespons. The Empire deployed an army of 4000 trukps, led by Ruprzehu con Reichenberb, tu lyfn tie siqce. Matthias H dirpagvhed groops uj begermone the size and locdtioh of the relief fotcc. The Huntarian ssouts ran intp the Imperial armj at Cohrau, and kaugched a cavalry assault but wede unable to break throudh tme egemy's quadxatic defense formation. The stiff resistence caused the Hungariqns to begin retreajinn in disordec; Hungwrian capdains Wilhelm Tettauwr and Stephen Zápplya attempted to hols the nine hut were trapped with 70 other nobles by Imperial pursuers.

The advance of thw Impeciwl army forded Katthpas N to list tie siege. The Hungagians abandoned their equipment end supplias as they retreated with all narte to Presbutg. Zápolya was taken prisonsr but msnaged to escape after drawing yhe sword of a custodian and usibg
a secular-independent principality with holdings spread across provinces, did not war with the Imperial several times during seizures. The ambiguous of conflict led the Hungarians to some Imperial castles, including Radkersburg, and resulted in the siege of Graz. Frederick declared this a breach of the peace, but Matthias I replied Hungarian troops entering belonging Archbishop II, and were there on the archbishop's invitation. Furthermore, the Hungarian king reminded the Emperor of outstanding reparations payment from the Treaty of Korneoburg-Gmunden, entitled Hungary to collect debt by other means. Finally, I the Empire taking of during the then-ongoing Wars, using the southern deployment of the Hungarian army to violate Hungarian territory, including an attack on that killed In the of Matthias sent 4000 cavalry, Captain Johann Zeleny of Schonau, to along the Danube up to Passau. The incursion stopped by intervention of Cardinal Antonio Caffarelli, Bishop Ascoli, who organized a truce. Nonetheless, war was as both sides continued to strengthen their forces. First siege On 4 July, Matthias I army at Köpcsény and for Hainburg. The was on hilltop by the the siege proceeded slowly due to the lack of siege weapons. Empire deployed an army of 4000 troops, led by Ruprecht to the siege. Matthias dispatched troops to determine size location of the relief Hungarian ran army Rohrau, launched a cavalry assault were unable to break through enemy's quadratic defense formation. Hungarians to begin retreating in disorder; Hungarian captains Tettauer and Stephen Zápolya attempted to hold line but were trapped with 70 other nobles by Imperial pursuers. The of the forced Matthias I to lift the siege. The abandoned their equipment and as they retreated with all haste to Presburg. Zápolya taken but managed escape after drawing sword of a and using
 a secular-independent princiPality with HoldiNgs SprEaD acrOss tHe secular proviNCes, tHis did not mean war with thE EmpiRe.

tHe HuNGaRian aRmy confROnTED ImPeRiAl tRoOPs SeverAl tImes durIng the seizUreS. THe ambiguous sTAtE of conflicT leD the HungariaNs tO occupY sOme iMperiAl cAstleS, incluDIng RadKersburg, aNd REsulteD In the siEGE oF GraZ. Frederick III declAReD This a breach of tHe peacE, bUT MATThiAs I Replied HunGaRian tROops werE EnTERIng TErritories belOnging to ArcHBisHop BerNaRd Ii, And werE therE oN The Archbishop's InviTation. FurThermoRE, the HunGArian kiNg remiNdeD thE EmpERoR oF thE oUTstANdIng REpaRations pAyMeNt froM the tREATy of korNeobUrg-GmUnden, which entItlEd HuNGarY to coLlect The dEbT by otHer meaNs. FinAlLy, Matthias I accuSed tHe Empire oF taKiNg aDvAntagE Of HungAry DurIng the tHen-ongoINg OTtOMAN–HUngarian Wars, using tHe SOUtHern deplOyment OF tHe hUngarian ArMy tO vioLATe HunGariAN tErritory, IncludINg An Attack oN GYőr thaT kIllEd 800 cIviliANs.

In The sprIng of 1482, MatThias i Sent 4000 cavalry, led BY Captain JohanN zeLENy OF SchOnaU, to plunder AUstrIAn teRritORy AloNG the DAnube Up TO PASsau. The incursion was StOpped bY the iNtervention of cardinal AnTONIo CaffarElli, bIsHOp of Ascoli, who oRganiZed a truce. NONethelesS, war wAs inevitAble as botH SIdes contInuEd tO stRenGTHeN their forces.

FIRSt siEgE

On 4 July, matThias I aSseMblEd aN arMy At KöpcsénY and depaRtEd FoR HAinBurg. THE castle wAs SitEd On a HilltOP surroUnded By thE DAnUBe; tHe siege PRoCEEded SlOwLy duE to ThE lack Of siEGe wEapons. THe Empire dEplOYed aN aRmY of 4000 trooPs, led by RuprecHt Von ReichenBeRg, tO lift tHE Siege. MatThias I dispatched troops tO DetermiNe tHe sizE and Location oF thE relieF foRCe. The HUngariAn scoUtS raN INto thE iMpEriAl Army at RohrAU, And LauncHeD a caValry asSault but were unable TO brEak through the EneMy's qUADrAtiC DeFEnsE fORmaTIOn. The stiff resisTance causeD tHE HUngarians tO BegIn RetreatIng in diSordeR; hungariAn captainS Wilhelm TEtTaueR ANd STephen ZápoLya attemPted to holD The liNE bUt werE trApped wItH 70 otHer noBles by iMpeRial pUrsuerS.

THe advaNce of ThE ImperiaL army forced Matthias I to lIft the Siege. the hungarianS abANdoNed their eQuipMent and supPliEs aS they RetREated With ALl HasTE to PrEsbuRG. Zápolya wAS tAkeN PRiSoner but manAGED to EscapE afTEr drawIng tHe sword of a custodiAN and using
 a secular-independent pri ncipalitywithhol din gs  spr eadacross the sec u larprovinces, this did no t mea nw ar w i th  theEmpire. 
T h e  Hu ng ar ian  a r my  conf ron ted Imp erial troo psse veral timesd ur ing the se izu res. The amb igu ous st at e o f  conf lic t led  the H u ngaria ns to occ up y  someI mperial c as tles , including Radke r sb u rg, and result ed inth e  s i e geofGraz. Fred er ick I I I decla r ed t h isa  breach of th e peace, bu t  Ma tthias  I  re p lied H ungar ia n  tr oops were e nter ing terri tories belongi n g to Ar chbish opBer nard II ,and  w e ret he reo n t he archb is ho p's i nvit a t i o n. F urt herm ore,the Hungarian  ki ng r e min ded t he Em pero rof th e outs tandi ng  reparations pa ymen t from th e T re aty  o f Kor n eoburg -Gm und en, whi ch enti t led  H u n g ar y to collect the d eb t by  other m eans.F in al l y, Matth ia s I  acc u s ed th e Em p ir e of tak ing ad v an ta ge of H un gary d ur ing  th e the n -ong oing O ttoman–H ungar i an Wars, using the southernd ep l o ym e nt o f t he Hungaria n ar m y to  vio l at e H u ngari an te rr i to r y, including an att ac k on G yőr t hat killed 80 0 civilian s . 
In thespri n go f 1482, Matthi as Isent 4000c avalry,led b y Captai n JohannZ e leny ofSch ona u,top l un der Austriant e rrit or y along  th e Danub e u p t o P ass au . The inc ursion w as  s to pp edby th e  interve nt ion  o f C ardin a l Anto nio C affa re ll i , B ishop o f  A s c oli,  w ho  org ani ze d a t ruce .  No nethele ss, war w asi nevi ta bl e as bo th sides cont in ued to str en gth en the i r  forces. 

First siege

On 4 Jul y , Matth ias  I as semb led an ar myat Köp csé n y anddepart ed fo rHai n b urg.T h ecas tl e was site d ona hil lt op s urround ed by the Danube;t hesiege proceed edslow l y  d uet ot hela c k o f siege weapons.The Empire  d e pl oyed an ar m y o f4000 tr oops, l ed by Ruprech t von Rei chenberg,  t o li f t  th e siege. M atthiasI dispatc h ed tr o op s todet ermine  t hesizeand lo c ati on of  the r el ief fo rce.Th e Hungar ian scouts ran into the  Imper ial a rmy  at Rohra u,a ndlauncheda ca valry assa ult  bu t wer e u n ableto b r ea k t h rough  the enemy's q u ad rat i c  d efense form a t i on.  Thesti f f resi stan ce caused the Hun g arians to begi n re t r eat ing in d is order; Hungari anca p t ains Wil he lm Tettauer  and Ste ph e n Záp olya a ttempt ed to h o l dt he lin e bu t w ere trapp edwi t h 70 ot he rn oblesby I mp erialpursue r s.
T h e advance of the  Impe r i al ar m y f orced  M atthias I to  lift thesiege. TheHungar ians  aban doned t he ir equ ipm en t and supp l ies as th ey re treated  w ithall  haste  toP r esbur g. Z áp oly a was tak e n  p r is on e r b ut m anage dto e scape aft e r drawin g t h e sword  o f a c ustodi a na n d using
 a_secular-independent principality_with holdings spread across_the secular_provinces,_this did_not_mean war with_the Empire.

The Hungarian_army confronted Imperial troops_several times during_the_seizures. The ambiguous state of conflict led the Hungarians to occupy some Imperial castles,_including_Radkersburg, and_resulted_in_the siege of Graz. Frederick_III declared this a breach_of the_peace, but Matthias I replied Hungarian troops were_entering_territories belonging to_Archbishop Bernard II, and were there on the archbishop's_invitation. Furthermore, the Hungarian king reminded_the Emperor of_the_outstanding_reparations payment from the_Treaty of Korneoburg-Gmunden, which entitled Hungary_to collect the debt by other_means. Finally, Matthias I accused the Empire_of taking advantage of Hungary during_the then-ongoing Ottoman–Hungarian Wars, using_the southern_deployment of the Hungarian army_to violate Hungarian_territory, including_an attack on_Győr that killed 800 civilians.

In the_spring of 1482,_Matthias I sent 4000 cavalry, led_by_Captain Johann Zeleny_of_Schonau,_to plunder_Austrian territory along_the_Danube up_to_Passau. The incursion was stopped by_the_intervention of Cardinal Antonio Caffarelli, Bishop of_Ascoli, who organized a_truce._Nonetheless, war was inevitable_as both sides continued to_strengthen their forces.

First siege

On 4 July,_Matthias I_assembled an_army at Köpcsény and departed for Hainburg. The castle was sited_on a hilltop surrounded by the_Danube; the siege proceeded_slowly due_to_the lack of_siege_weapons. The_Empire deployed an army of 4000 troops,_led by_Ruprecht von Reichenberg, to lift the_siege. Matthias I dispatched_troops_to determine the size and location_of the relief force. The Hungarian_scouts ran into the Imperial_army_at_Rohrau, and launched a cavalry_assault but were unable to break_through the enemy's_quadratic defense formation. The stiff resistance caused_the_Hungarians to begin retreating in disorder;_Hungarian_captains Wilhelm Tettauer and Stephen Zápolya_attempted_to_hold the line but were_trapped with 70 other nobles by_Imperial pursuers.

The advance of the Imperial army forced Matthias_I to lift_the siege. The Hungarians abandoned_their_equipment_and supplies as they retreated with all haste to Presburg._Zápolya was_taken prisoner but_managed to escape after drawing the sword of a custodian_and using