East Coast Blackout, As Seen From Space

On August 14, 2003, a significant portion of the Northeastern part of North America was without power. The photo (see link above) shows what North American looked like from space at 23:15 EST.

As my dad often says, "Isn't science wonderful?"

Update, 9:10 EDT: Aldahlia left a comment stating that the map I'd linked to is a fake.