Divisive leader will back his replacement, Haidar al-Abadi, for consensus prime minister of Iraq.
Nuri al-Maliki claims nomination is a violation of the constitution and accuses U.S. of undermining him.
First session of parliament after establishment of Islamic State boycotted by Sunni, Kurdish leaders, resulting in lack of quorum.
Militants declare Abu Bakr al-Baghdadi the caliph of ‘Muslims everywhere.’
Militants continue to seize more territory, prompting U.N. to convene crisis talks.