The festival of San FermÃn (or Sanfermines , in basque language Sanferminak ) in the city of Pamplona ( Navarre , Spain ), is a deeply rooted celebration held annually from 12:00, 6 July, when the opening of the fiesta is marked by setting off the pyrotechnic chupinazo , to midnight 14 July, with the singing of the Pobre de MÃ . While its most famous event is the encierro, or the running of the bulls , the week-long celebration involves many other traditional and folkloric events. It is known locally as Sanfermines and is held in honor of Saint Fermin , the co-patron of Navarre. Its events were central to the plot of The Sun Also Rises , by Ernest Hemingway , which brought it to the general attention of English-speaking people. It has become probably the most internationally renowned fiesta in Spain. Over 1,000,000 people come to watch this festival. Saint Fermin Fermin is said to have been the son of a Roman of senatorial rank in Pamplona in th
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