The authors try to answer complex scientific problems and dramatic mysteries of history. Accurate data from historical analysis are intertwined here with legends of hoary antiquity. The reader will discover the vicissitudes of the struggle against the Moors, the relationship between kings and cities, and Portugal’s selfless struggle for freedom at the end of the 14th century. He learns how counties are born, why the Pope became the overlord of Portugal, the mysterious disappearance of King Sebastian and the reasons for the country's loss of independence for many years. For a wide range of readers.