How often has television news likened the US withdrawal from Afghanistan to the 1975 fall of Saigon? The timeline below shows total mentions of Saigon across Al Jazeera, BBC News, CNN, Fox News, MSNBC and Russia Today since the start of this month, showing an early glimmer of mentions on August 12, a sharp surge on August 13, a dip on the 14th and then sustained mentions from August 15 to 17, before mentions largely disappear on August 18.