http://en.wikipedia.org/wiki/Emiliano_Mercado_del_Toro
Excerpt from Wikipedia:
In addition, as a veteran of World War I, he has broken the record for longest-lived veteran of any military force that was set by Antonio Todde, although Antonio Pierro currently has the distinction of oldest combat veteran, since Emiliano was still in training camp when the November 11, 1918 armistice was declared.
In 1993 he was honored by U.S. President Bill Clinton with the medal commemorating the 75th anniversary of the signing of the truce that ended World War I... He reminisces about being a child when U.S. troops invaded Puerto Rico in 1898, and he clearly remembers the fighting that marked the end of Spain's colonial empire in the Americas.
Amazing!