[Trump Shares 'War Duration Chart,' Claims 'Iran Operation' Took Only 6 Weeks] Golden Finance reported that on May 7, U.S. President Trump posted a photo on social media with the caption: 'Take a good look at this chart.' The image lists the duration of several previous U.S. wars: Afghanistan War 543 weeks, Iraq War 457 weeks, Vietnam War 439 weeks, U.S. Civil War 209 weeks, World War II 196 weeks, War of 1812 139 weeks, 'Iran Operation' 6 weeks. (Dongxin News Agency)