The "AAA" abbreviation has been used since the mid-1990s and had previously stood for the promotion's original name Asistencia Asesoría y Administración.
WWE stands for World Wrestling Entertainment, which is still the legal name, but the company ceased using the full name in April 2011, with the WWE abbreviation becoming an orphaned initialism. NXT served as WWE's developmental territory.
TNA President Dixie Carter announced via Twitter that Styles had been stripped of the title due to a contract dispute. Styles continued to carry around the championship belt proclaiming himself champion in the storyline
On the January 9, 2014 episode of Impact Wrestling (taped December 6, 2013), A.J. Styles returned claiming to be the legitimate TNA World Heavyweight Champion as he was never defeated for the title (though not recognized as such by TNA). Magnus defeated him later that night to become the undisputed champion
Vacated after a controversial finish when Daniel Bryan defeated Randy Orton to win the title. A subsequent match for the vacant title at Battleground between Bryan and Orton ended in a no contest.
On December 15, 2013 at TLC: Tables, Ladders & Chairs, Orton defeated John Cena to unify the World Heavyweight Championship with the WWE Championship. The World Heavyweight Championship was retired and the WWE Championship became known as the WWE World Heavyweight Championship.
After Randy Orton defeated John Cena to unify the World Heavyweight Championship with the WWE Championship, the World Heavyweight Championship was retired and the WWE Championship became the WWE World Heavyweight Championship.