Iraq’s Shiite cleric Moqtada al-Sadr 1973: Born son of Muhammad Sadiq al-Sadr – senior Shia cleric allegedly assassinated in 1999 for defying Saddam Hussein 2003: Moqtada al-Sadr emerges as Islamist leader after U.S.-led invasion of Iraq, with strong support in poor Shia suburbs of Baghdad 2004: Leads his Mehdi Army militia group in two abortive uprisings against U.S. occupation 2005: Followers of Sadr stand for parliament as part of United Iraqi Alliance bloc of Shia political groups 2008: Mehdi Army crushed by Iraqi and U.S. forces – Sadr flees to Iran to escape arrest warrant after suspending activities of his fighters 2011: Returns to Iraq after his political movement secures deal to join government of Nuri al-Maliki (right) 2014: Revives Mehdi Army under new name of Peace Brigades to fight so-called Islamic State group. Pledges support to new Prime Minister Haider al-Abadi (left) 2016: Sadr re-enters Iraqi politics, calling on Abadi to reform government and absorb Shiite militias, including Peace Brigades, into Iraqi army 2018: Sadr allies with Communists and other secular reformers to contest national elections in May OUTGOING IRAQI PARLIAMENT State of Law Sadrist Movement Other Shiite parties Kurdish parties Sunni parties Wataniya (free market) Others 328 seats Sources: AFP, Columbia Encyclopedia, Stanford University Pictures: Getty Images © GRAPHIC NEWS