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                                         Publius 
                                        Aelius Traianus Hadrianus (or just Hadrian 
                                        to his friends) was a Roman emperor who 
                                        lived from 117 to 138 CE. Considered one 
                                        of the so-called “Five Good Emperors” 
                                        of Rome, he was born in Italica, Hispania; 
                                        the child of a well-established settler 
                                        family, Hadrian was a distant relative 
                                        of his predecessor, the Emperor Trajan. 
                                        Trajan never officially designated a successor, 
                                        but Trajan’s wife named Hadrian 
                                        immediately before his death. When he was nearing the end of his life, 
                                        Hadrian decided to build a place to store 
                                        his royal corpse. He decided on a massive 
                                        round construction on the right bank of 
                                        the Tiber in Rome. It's circular plan 
                                        owed much to the Mausoleum of Augustus, 
                                        and it was to be finished in time to receive 
                                        the ruler’s body. Finished by 139 
                                        CE, the building was to be a magnificent 
                                        edifice, serving as a resting place not 
                                        only for Hadrian, but for his successors 
                                        as well. Construction begun about AD 130, 
                                        but was not yet completed by the time 
                                        of Hadrian's death, the emperor being 
                                        buried in another place until the mausoleum 
                                        was ready.
                                        
                                        
                                        
                                        
                                        
                                        
                                        In 
                                        the years that followed the Mausoleum 
                                        was later decorated and fortified as a 
                                        place of refuge for the popes of Rome, 
                                        eventually connected to the Vatican by 
                                        a secret passage; this passage was made 
                                        by Pope Nicholas III, and it ran to St. 
                                        Peter's Basilica by a covered corridor 
                                        called Passetto di Borgo. The Mausoleum 
                                        became to be known as the “Castel 
                                        Sant'Angelo”, and was used as a 
                                        fortress and prison until 1870. The castle 
                                        was involved in numerous sieges, including 
                                        that of Pope Clement VII by the forces 
                                        of the Holy Roman Empire in 1527. Today 
                                        it has been made into a museum, and is 
                                        one of the historic gems of Rome, even 
                                        if it known secretly as “Hadrian’s 
                                        Mole”.
 
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