History: The running of the bulls used to be just a way to get the bulls into the bull-ring. People used to run behind the bulls to bring them there. As the event became more popular people started running in front of the bulls.
Dangers of Los Sanfermines: The first person to be killed was killed in 1910. Since then there have been 14 deaths. The statistics for people that have been injured is rising also.
The running of the bulls is named after San Fermín. It is a two week festival in which people run with a bunch of angry bulls into a bull-ring where there are bull fights