 Complete the following phrase:  Islamic State of Iraq traces its origins to Jamaat al-Tawhid wal-Jihad, which was formed by the Jordanian national Abu Musab al-Zarqawi in Jordan in 1999. Al-Zarqawi led the group, under numerous name changes, until his death in June 2006. Jamaat participated in the Iraqi insurgency 20032011 following the 2003 invasion of Iraq by Western forces, and on 17 October 2004 al-Zarqawi had pledged allegiance to Osama bin Ladens al-Qaeda network; and the group became known as Tanzim Qaidat al-Jihad fi Bilad al-Rafidayn commonly known as al-Qaeda in Iraq. In January 2006, Tanzim and five other 