If it's gastritis (or an irritating of the stomach lining) or an ulcer, you'll most likely have a burning sensation in your upper abdomen that gets better or worse with eating. Take an OTC antacid such as Pepcid or Zantac, but if symptoms persist for more than a week, call your doctor.
The 2003 invasion of Iraq lasted from 20 March to 1 May 2003 and signalled the start of the Iraq War, which was dubbed Operation Iraqi Freedom by the United States (prior to 19 March, the mission in Iraq was called Operation Enduring Freedom, a carryover from the War in Afghanistan).
The war began when Iraq invaded Iran, launching a simultaneous invasion by air and land into Iranian territory on 22. September 1980 following a long history of border disputes, and fears of Shia insurgency among Iraq's. long-suppressed Shia majority influenced by the Iranian Revolution.