A Day Like No Other is a special report from the Nevada Hospital Association of one of the worst mass-casualty incidents to occur in our nation’s history: the shooting in Las Vegas on Oct. 1, 2017. This case study is not an after-action document, but instead a consolidated discussion of events, actions taken, lessons learned, observations and hospital experiences that resulted from the Las Vegas mass shooting. The report concludes: “There were many heroes that night. Their ingenuity, teamwork and hard work cannot be overstated. The human spirit was alive and well.”