Running of the bulls famously at Stamford until 1837. The origin of this event comes from the need to transport the bulls from the fields outside the city, where they were bred, to the bullring, where they would be killed in the evening. During this "run", youngsters would jump among them to show off their bravado. In Pamplona and other places, the six bulls in the event are still those that will feature in the afternoon bullfight of the same day. Spanish tradition holds that bull-running began in northeastern Spain in the early 14th century. While transporting cattle in order to sell them at
San Prudencio festival in San Sebastián takes place with trumpets, drums and Basque dance groups. According to a local newspaper, the first "tamborrada" connected with the San Prudencio festival was held in 1975; the festival itself has been held since at least 1964. The following day, a fair is held with traders and craftsmen. A popular song is sung during the festival: Spanish: <poem>Suena el tun, tun y con él la trompeta, Es la retreta de nuestro patrón. (Bis). Los alaveses, en este día, con alegría y con buena unión. Celebran fiestas a San Prudencio, a San Prudencio su patrón. Suena el tun,