On 11 March 2004 , three days before Spain 's general elections and exactly 2 years and 6 months after the September 11 attacks in the USA , Madrid was hit by a terrorist attack when Islamic terrorists belonging to an al-Qaeda-inspired terrorist cell placed a series of bombs on several trains during the morning rush hour , killing 191 people and injuring 1,800
September 11 attacks
September 11 attacks
History of Madrid