Overview:Wrestle Kingdom I was a professional wrestling pay-per-view (PPV) event co-produced by the New Japan Pro-Wrestling (NJPW) and All Japan Pro Wrestling (AJPW) promotions, which took place at the Tokyo Dome in Tokyo, Japan on January 4, 2007. It was the 16th January 4 Tokyo Dome Show and the first held under the new "Wrestle Kingdom" name. The show marked the 35th-anniversary celebration for NJPW, who teamed up with one-time rival promotion AJPW to produce the show.