Here's the short version: The United States invaded Iraq in 2003, claiming that Iraqi leader Saddam Hussein had both weapons of mass destruction and connections to Al Qaeda. He had neither. Both Saddam Hussein and the United States are mostly gone from Iraq these days. In their place? Al Qaeda, or some version of it.

Today it is the Islamic State that is the biggest threat to Iraq. In its infancy the Islamic State was a splinter group of Al Qaeda. It has since surpassed Al Qaeda as the world's scariest terrorist organization. Almost a year ago, it burst onto the world state by seizing large parts of Syria and Iraq. Someone call the Coalition of the Willing.

So how did it all go so wrong? In these 54 steps.

1. May 28, 1990: Saddam Hussein says oil overproduction in Kuwait is "economic warfare"



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3. Aug. 6, 1990: UN imposes economic sanctions on Iraq



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4. Jan. 17, 1991: US launches air operations to liberate Kuwait (and its oil)



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5. Feb. 24, 1991: US deploys ground war in Kuwait



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6. Feb. 26, 1991: Saddam Hussein orders withdrawal from Kuwait



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7. Feb. 28, 1991: US President George W. Bush Sr. says Kuwait is now free



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8. April 3, 1991: UN extends sanctions on Iraq for next 10-plus years. Hundreds of thousands of Iraqi children die as a result of ballooning poverty, malnutrition and disease



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9. June 26, 1993: Bill Clinton launches cruise missile attack on Baghdad in retaliation for failed assassination attempt on Bush Sr.



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10. Dec. 16, 1998: US and UK launch four-day bombing campaign against sites in Iraq thought to be housing weapons of mass destruction



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11. Dec. 19, 1998: Clinton is impeached for lying about his relationship with Monica Lewinsky



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12. Sept. 11, 2001: The 9/11 attacks kill almost 3,000 people. 15 of the 19 Al Qaeda militants are from Saudi Arabia. US launches war in Afghansitan, where Al Qaeda is believed to be based



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13. Oct. 1, 2002: CIA report alleges Iraq is in possession of WMDs, launching build-up to war



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14. Feb. 5, 2003: US Secretary of State Colin Powell tells UN that Iraq has WMDs and Al Qaeda links



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15. March 19, 2003: Bush Jr. launches Iraq invasion



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17. July 2, 2003: Turns out mission not yet accomplished. Bush declares, "Bring 'em on."



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18. Aug. 19, 2003: It's brought. UN headquarters attacked in Baghdad, killing 17 people. Al Qaeda claims responsibility



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19. Jan. 28, 2004: It's official: no WMDs in Iraq. Bush maintains Iraq War made the world safer



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20. Feb. 10, 2004: Iraqis invite Al Qaeda militants to help fight US occupation



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21. April 21, 2004: Spate of suicide bombings hits police stations



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22. April 27, 2004: Images of US torture at Abu Ghraib prison air on 60 minutes. Shit hits fan



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23. Jan. 12, 2005: Search for WMDs fails, is officially declared over



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24. Sept. 9, 2005: Powell says he regrets pre-war UN speech



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25. June 8, 2006: Al Qaeda leader killed in US air raid



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26. Aug. 21, 2006: Bush acknowledges Iraq had nothing to do with 9/11 attacks



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27. Sept. 12, 2006: Media reports reveal that US spy agencies believe Iraq War increased terror threat



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28. Oct. 4, 2006: A 2005 memo made public reveals that Al Qaeda said prolonging Iraq War is in its interest



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29. Jan. 10, 2007: Bush announces escalation of Iraq war



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30. May 20, 2007: CIA officials say Iraq War has become big "moneymaker" for Al Qaeda



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31. June 11, 2007: US forces arm Sunni militias, known as the Sunni Awakening, to fight Al Qaeda



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32. Aug. 8, 2007: Roadside bombs reach all-time high



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33. March 10, 2008: Pentagon-funded study finds no connection between Saddam Hussein and Al Qaeda



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34. Sept. 5, 2008: Outgoing Gen. David Petraeus says Al Qaeda remains dangerous threat in Iraq



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36. April 19, 2010: US raid kills top 2 Al Qaeda leaders in Iraq



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37. May 10, 2010: 71 dead in widespread attacks blamed on Al Qaeda



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38. July 23, 2010: Four Al Qaeda suspects escape from Iraqi prison



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39. July 29, 2010: Iraqi insurgents plant "Al Qaeda" flag in Baghdad



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40. Aug. 31, 2010: Obama announces end of combat mission in Iraq



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41. Sept. 27, 2010: Report says Al Qaeda in Iraq, which many thought had been "defeated," is actually responsible for wave of terror attacks over the summer, causing the highest casualties in more than two years



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42. Oct. 16, 2010: Members of US-backed Sunni Awakening return to Al Qaeda ranks



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43. Aug. 15, 2011: 42 bombings rock country, killing 89 people



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44. Dec. 18, 2011: Last convoy of US troops leaves Iraq



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45. March 20, 2012: Dozens of bombs kill 52 across Iraq



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46. July 23, 2012: More bombings, 107 killed



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47. March 19, 2013: Al Qaeda plants car bomb, kills 56 civilians



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48. April 15, 2013: Wave of bombings kills 75, wounds 350 across the country



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49. May 15, 2013: Series of deadly bombings and shootings kill at least 450, injure 732



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50. July 22, 2013: Suicide bombers drive car bomb through Abu Ghraib prison, freeing hundreds of convicts, mostly senior Al Qaeda members



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51. Jan. 2, 2014: Fallujah and other parts of Anbar province falls to Al Qaeda-linked militants now known as the Islamic State in Iraq and the Levant, or ISIL



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52. May 28, 2014: A month after elections, attacks kill more than 70 across the country



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53. June 10, 2014: ISIL, an Al Qaeda splinter group, seizes Mosul, Iraq's second-lagest city, and Tikrit as US-trained security forces flee. ISIL marches on to Baghdad



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54. Aug. 7, 2014: Now calling itself the Islamic State and taking ever greater control of Iraq, Obama calls for airstrikes to help Iraqis under threat of extremists — extremists that didn't exist in Iraq before the US invaded under false pretenses.



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