Stanley is celebrating nurses with a 40% discount on tumblers, water bottles and more during National Nurses Week — here's how to snag this massive deal.

According to the American Nurses Association, National Nurses Week was first celebrated in mid-October 1954 to commemorate the 100th anniversary of Florence Nightingale's mission to Crimea, where she and a team of volunteer nurses helped soldiers wounded in the Crimean War against Russian expansion.