This is a save that started using (the excellent) RWC data from August. It's currently January 2021.
AEW World: Jon Moxley. 1st reign, 294 days.
AEW Women's World: LuFisto. 1st reign, 50 days.
AEW World Tag Team: FTR (Cash Wheeler & Dax Hardwood). 1st reign, 113 days.
AEW TNT: PAC. 1st reign, 50 days.
AEW Deadly Draw 2020 Winners: Twisted Sisters (Thunder Rosa & Holidead).