National Waitstaff Day, also known as National Waiters and Waitresses Day, is celebrated every year on May 21 in the United States. This day recognizes the hard work and dedication of servers, baristas, bartenders, and other waitstaff who often face demanding work conditions while being underpaid. The tradition of waitstaff dates back thousands of years, with the first mention of a restaurant-like establishment occurring in 512 BC. On this day, patrons are encouraged to show appreciation for their servers by leaving extra tips, complimenting their service, and posting positive reviews. The holiday serves as a reminder of the crucial role waitstaff play in enhancing dining experiences and the challenges they endure in their profession.