Game One of this year's Holden State of Origin Series marks the 100th clash between fierce rugby league rivals New South Wales and Queensland. To mark the occasion NRL.com is reliving 100 of the most iconic moments of the past 34 years of this compelling contest. Right through to Game Three on July 9, we'll publish videos of the Milestones, Superstars, Gamebreakers, Superplays, Heroes, Emotions and Controversy - all of the exciting elements that have made Origin the most-watched spectacle in rugby league. This week: Origin's Greatest Emotions.

40. 1980, Arthur Beetson clashing with Parramatta teammate Mick Cronin

They said it wouldn't work. That club teammates wouldn't rip into each other with genuine gusto when wearing the jumpers of their home state. But with a swinging arm to the jaw of Parramatta teammate Mick Cronin, Arthur Beetson promptly blew the critics out of the water and gave birth to the mate against mate concept that has run through Origin's veins ever since.