Barack Obama (Honolulu, Hawai, 1961) Abogado y político estadounidense, 44º presidente de los Estados Unidos (2009-2017). A los 47 años, Barack Obama fue el presidente más joven de la historia de Estados Unidos en ocupar la Casa Blanca. On November 4, 2008, Obama became the first African-American to be elected President. He resigned his seat in the U.S. Senate on November 16, 2008. Barack Obama was inaugurated as the 44th President of the United States on January 20, 2009. La presidencia de Barack Obama dio comienzo al mediodía del martes 20 de enero de 2009 (EST), tras haber jurado el cargo como el cuadragésimo cuarto presidente de los Estados Unidos durante una ceremonia celebrada en el Capitolio de los Estados Unidos. Barack Obama 's tenure as the 44th president of the United States began with his first inauguration on January 20, 2009, and ended on January 20, 2017. Obama, a Democrat from Illinois, took office after defeating the Republican nominee John McCain in the 2008 presidential election. Barack Hussein Obama II[a] (born August 4, 1961) is an American former politician who served as the 44th president of the United States from 2009 to 2017. A member of the Democratic Party, he was the first African American to serve as president. Barack Obama, the 44th President of the United States, broke barriers as the first African-American president and implemented significant healthcare reforms during his tenure. Barack Hussein Obama II (AFI: /bəˈrɑːk huːˈseɪn oʊbɑːmə/ · ⓘ; Honolulu, 4 agosto 1961) è un politico e avvocato statunitense, 44º presidente degli Stati Uniti d'America dal 2009 al 2017, prima e unica persona di origini afroamericane a ricoprire tale carica. Barack Hussein Obama II1 ([bəˈrɑːk huːˈseɪn oʊˈbɑːmə] ⓘ en inglés estadounidense; Honolulu, 4 de agosto de 1961) es un político y abogado estadounidense. Hijo de un padre de Kenia y una madre de Kansas, el presidente Obama nació en Hawai el 4 de agosto de 1961. De niño vivió una temporada con su abuelo, que sirvió en el ejército de Patton, y su abuela, que logró ascender de secretaria a un rango intermedio en la gerencia de un banco.