Backlash was a professional wrestling pay-per-view (PPV) event produced by World Wrestling Entertainment (WWE), which took place on April 29, 2007, at the Philips Arena in Atlanta, Georgia. Following WrestleMania, all pay-per-views became tri-branded. It was the ninth annual event under the Backlash name and starred talent from Raw, SmackDown!, and ECW brand divisions.[2][3]