Article continues below advertisementDonald Trump has big plans for his 80th birthday party next year. The president, 79, who will commemorate the big 8-0 on June 14, 2026, hopes to turn the White House South Lawn into an Ultimate Fighting Championship boxing match.The politician has already started putting together the bash as he's a big fan of the sport and is pals with UFC CEO Dana White.Article continues below advertisementSource: @MikeNellis/XDonald Trump said an arena is being build on the White House grounds.