Chronicon Lusitanum
The Chronicon Lusitanum or Lusitano (also Chronica Lusitana or Chronica/Chronicon Gothorum) is a chronicle of the history of Portugal from the earliest migrations of the Visigoths (which it dates to 311) through the reign of Portugal's first king, Afonso Henriques (1139–85). The entries in the chronicle, ordered by year and dated by the Spanish Era, get increasingly longer and the majority of the text deals with the reign of Afonso.