June 5, 1983: U2 play Red Rocks - Despite a torrential downpour, U2 insisted that the show go on at the Colorado amphitheater, an outdoor venue formed by two sandstone megaliths. And for good reason: U2 had committed their life savings to capturing the show on tape for what would become the Under a Blood Red Sky concert video. The evening’s iconic moment came as Bono waved a large white flag during the political anthem “Sunday Bloody Sunday.â€? When MTV put a clip of this in heavy rotation, it ushered in U2’s quarter–century of world domination.

View the list and watch U2’s ‘Sunday Bloody Sunday’ at The Red Rocks video after the jump!

Blender’s 100 Days That Changed Music