This document analyzes the impact of the March 11, 2004 Madrid train bombings on the subsequent Spanish national elections held on March 14, 2004. It discusses how the incumbent Popular Party's support for the Iraq War and its mishandling of information after the bombings led to its defeat by the opposition Socialist Party. The Socialist Party withdrew Spanish troops from Iraq after winning the election. The document also discusses the memorialization of the 192 victims of the Madrid bombings.