UFC 219: Cyborg vs. Holm was a premier year-end event held on Dec 30, 2017, at the T-Mobile Arena in Las Vegas. The main event featured a historic superfight for the Women’s Featherweight Championship between dominant champion Cris Cyborg and former bantamweight queen Holly Holm. A defining moment for women's MMA, the grueling five-round battle showcased elite striking and solidified Cyborg’s status as a generational great, ending the UFC's 2017 calendar on a high note.