Complex sentence: Cole regained the title from O'Reilly on January 4,2017, at NJPW's Wrestle Kingdom 11 in Tokyo Dome, thus making Cole the first three-time ROH World Champion.
Split into simpler sentences: Cole regained the title from O'Reilly on January 4,2017, at NJPW's Wrestle Kingdom 11 in Tokyo Dome. This made Cole the first three-time ROH World Champion.