Yakhelwe phakathi kwe-1763 kunye ne-1792, i Inqaba yeGraça, kufutshane nesixeko sasePortugal elvas, yamiswa ukuze ikhusele imida yelizwe kwisisongelo esingunaphakade sokuhlaselwa ngabamelwane bayo abanamandla baseSpain. Ubume obomeleleyo nobuhle obuhle kakhulu obumele umzekelo osemva kwexesha loyilo lomkhosi woKuvuselelwa, ebesele ephelelwe lixesha ngelixesha lalisakhiwa ngenxa yokubonakala kwezixhobo ezinamandla nezangoku.
Inqabile kwaye ayinakoyiswa ngembonakalo, inqaba inamacandelo amathathu okuzikhusela, ngalinye lahlulwe yinkqubo entsonkothileyo yeendonga nemijelo. Udonga lwangaphandle luyile njengenkwenkwezi enkulu, ngohlobo lwe ezinye iinqaba ezindala zaseYurophu ezinjengezo zeJaca eSpain, iNaarden eseHolland okanye iPalmanova e-Itali.
Ayaziwa ukuba uyilo lukaGraça (igama lakhe lokwenyani ngu Inqaba yaseNossa Senhora da Graça) iyaphendula ngokwenyani kwiimfuno zomkhosi okanye kungcono ukhetho lobuhle. Ngayiphi na imeko, kuyamangalisa undwendwe. Ngaphakathi kukho idolophu encinci engagungqiyo egcinwe kuyo kunye nolungelelwaniso olunobunkunkqele.
Kule minyaka, isiseko sasicinywa kwaye iSebe lezoKhuseleko lasePutukezi laye lasishiya isakhiwo. Namhlanje iNqaba yeGraça yamkelwe yiNgxowa-mali yeZikhumbuzo yeHlabathi kunye ne-UNESCO njengendawo ekufanele ikhuselwe. Abakhenkethi baseSpain kulula ukuba bandwendwele lo mmangaliso, ubekwe nje ngaphesheya komda, kwiikhilomitha ezingama-25 nje ukusuka kwisixeko sase Badajoz.