Madrid terrorist attacks
definition: On March 11, 2004, terrorists detonated a series of bombs on four commuter trains heading toward Madrid, Spain. This intricate, well-coordinated act of terror, causing the deaths of 191 people and injuries to over 1,800, is considered the most grievous incident to have occurred in Europe in peacetime. [Source: Encyclopedia of Disaster Relief; Madrid Terrorist Attacks (2004)]
end: 2004
start: 2004
date: 2004
broader: terrorist attacks
type: Concept

concepts
type: Collection
type: ConceptGroup
member: Madrid terrorist attacks

terrorist attacks
type: Concept
narrower: Madrid terrorist attacks