Career
Kubba was the President of the Iraqi Independence Party. In the wake of the 14 July Revolution, the new Iraqi Republic was headed by a Revolutionary Council. This tripartite was to assume the role of the Presidency.
Following the failed 1959 Mosul uprising by Arab nationalists, Iraqi Prime Minister Abd al-Karim Qasim grew increasingly dependent on the Iraqi Communist Party, whose distrust of Arab nationalists seemed vindicated to Qasim by the revolt.
Qasim allowed the Communist Party to purge the government of pan-Arabists. Kubba, despite his membership of the, was put under house arrest.
As a result, the last time Kubba attended a meeting of the was in February 1959, although no resignation was ever made public. Kubba was later publish his memoirs, Memoirs in the Course of the Events, in 1965.