On March 8th, 2004, Todd Bertuzzi punched Steve Moore to the back of the head. This injury ended Moore's career, and later ended in a lawsuit to Bertuzzi.
On March 8th, 2007, Chris Simon threw one of the most violent slashes in league history on Ryan Holloweg. Simon was assessed an incredibly 25-game suspension.
Finally, on March 8th, 2011, Zdeno Chara ended Max Pacioretty's season with a horrifying check to the boards (even scarier considering Chara is 6'9").