2045 is a year in the 21st century.
- Saturday, October 21: It is the 30th anniversary of the arrest of Griff Tannen and his gang, for crashing their hoverboards into the Hill Valley Courthouse. Griff Tannen originally inadvertently caused a nuclear holocaust when he attempted his revenge, but that timeline was rewritten when Emmett Brown prevented the invention of the Mr. Fusion.
Behind the scenes
- The 1985 film Back to the Future celebrates its 60th anniversary on July 3, 2045.
- The 1990 film Back to the Future Part III celebrates its 55th anniversary on May 25, 2045.