Sheikh Mujibur Rahman (March 17, 1920 - August 15, 1975) was a Bengali politician and the founding leader of the People's Republic of Bangladesh, generally considered in the country as the father of the Bangladeshi nation. After talks broke down with President Yahya Khan and West Pakistani politician Zulfikar Ali Bhutto, Sheikh Mujib on 26 March 1971 announced the declaration of independence of East Pakistan and announced the establishment of the sovereign People's Republic of Bangladesh. Subsequently he was arrested and tried by a military court. During his nine month detention, a guerrilla war erupted between government forces and Bengali nationalists aided by India. An all out war between the Pakistan Army and Bangladesh-India Joint Forces led to the establishment of Bangladesh, and after his release Mujib assumed office as a provisional president, and later prime minister. Mujib was assassinated along with most of his family by a group of army officers in 1975.