January 14, 1983
On November 17, 2007, at the Eddy Cortés National Gymnasium, San Jose, Costa Rica, he defeated Xochilet Aoska by technical knockout in three rounds.
earned his title
On December 19, 2009, he won the World Boxing Organization welterweight world championship, defeating Argentina's Gabriela Zapata by technical knockout in four rounds, at the Dennis Martínez stadium in Managua, Nicaragua. On May 29, 2010, she defeated the Dominican Gardy Peña, in Bayamón, Puerto Rico and was awarded the title of super welterweight champion of the World Boxing Organization, in a fight that lasted only 11 seconds.
On January 20, 2014, in the same fight, Hanna won the WBA light heavyweight title and the WBA heavyweight title, beating Mexican Paty Ramírez by technical knockout in the second round, in San Juan, Puerto Rico.
lost his title
On January 14, 2010, a little less than a month after winning the welterweight world title, he relinquished the title for having suffered several fainting spells for making weight in the world championship fight. On February 28, 2013, at the Estadio Ricardo Saprissa in Costa Rica, Hanna lost the title by second-round knockout against Dominican Oxandia Castillo.
He has won four world titles in different divisions:welterweight, super welterweight, light heavyweight, and heavyweight.