#8: Woodstock
As incredible and soul-defining Woodstock was, there were some minor issues with the organization of the festival itself that lead to some widespread problems. Even though 3 days might not seem that long for a music festival, there were almost 500,000 mouths to feed.
After the first day, there was no more communal food to be had at the festival. The organizers had prepared for a crowd of 200,000 people, so when almost an extra 300,000 showed up, there was a pretty serious gap in the amount of food they had initially planned for.