Before the fall of Saigon, there was the loss of Da Nang, a major port city and host to American military forces during the Vietnam War. As North Vietnamese forces approached the city, residents tried to evacuate.
For a little more information that covers some of the technical details–fuel loss, passenger load, etc.–click on the video (or here) to read the summing up that accompanies the piece on YouTube. Have been thinking about the Vietnam War lately–less because of Iraq than because John Peabody is working on a story about the Hmong community in California.
P.S.: Sometimes journalists, these days, wonder what the best medium is to tell a story. An event like this can, and probably should, be told many ways. But it’s clear that to get it fast and make it pack a punch, video (or probably film, in those days) is the way to go.