Luis Donaldo Colosio was a Mexican politician and economist, born on February 10, 1950. He was a member of the Institutional Revolutionary Party (PRI) and served in various government roles, including as the head of the Ministry of Social Development. Colosio gained prominence as the PRI's candidate for the presidency in the 1994 elections. Tragically, Colosio was assassinated on March 23, 1994, during a campaign rally in Tijuana. His death shocked the nation and marked a significant moment in Mexican politics, leading to discussions about political reform and the future of the PRI.