<P> Pedro José Domingo de la Calzada Manuel María Lascuráin Paredes ( 8 May 1856 -- 21 July 1952 ) was a Mexican politician who served as the 34th President of Mexico for less than one hour on February 19 , 1913 , the shortest presidency in the history of the world . He had earlier served as Mexico 's foreign secretary for two terms and was the director of a small law school in Mexico City for sixteen years . </P>
mexican president who was in office for 45 minutes
Pedro José Domingo de la Calzada Manuel María Lascuráin Paredes