No one is completely certain how this event started. However, there is a popular saying which says that disgruntled people of the Bunol town rioted and attacked city councilmen with tomatoes during a town celebration sometime before 1945.
The festival of San Fermín in Pamplona is an extremely popular annual celebration held annually from 6 July. Over one million people each year participate in this unique festival. It has become the most internationally renowned fiesta in Spain.
Feria de Abril de Sevilla (The Seville April Fair) is a festival that begins two weeks after the Easter Holy Week in Spain. This is a week of serious dancing, drinking, and eating. The Fair dates to 1847 when it was organized as a livestock fair.