National Espresso Martini Day on March 15 celebrates the iconic coffee cocktail invented by Dick Bradsell in 1980s London.
National Days
There is something to celebrate each day. The National Days calendar includes nearly 10,000 observances held throughout the year—from lighthearted food and fun days to meaningful causes, cultural traditions, and awareness events that reflect every aspect of life.
Browse by month:
January | February | March | April | May | June | July | August | September | October | November | December
National Potato Chip Day on March 14 celebrates America’s most popular snack — a happy accident from 1853 that became a $10B industry.
March 14, 2026, is the 73rd day of the year, with 292 days remaining, and it falls…
National Jewel Day on March 13 is a celebration of gemstones, their beauty, and the centuries of meaning humans have layered onto them.
National Pi Day is observed annually on March 14 in the United States, a date that corresponds…
March 13, 2026, is the 72nd day of the year, with 293 days remaining, and it falls…
National Plant a Flower Day on March 12 encourages planting flowers to welcome spring, promote pollination, and brighten outdoor spaces.
March 12, 2026, is the 71st day of the year, with 294 days remaining, and it falls…
National Promposal Day celebrates high school students asking peers to prom in creative ways, filmed and shared online every March 11.
March 11, 2026, is the 70th day of the year, with 295 days remaining, and it falls…
MAR10 Day is celebrated on March 10 because “MAR10” looks like “MARIO.” Nintendo made it official in 2016 with deals and events.
March 10, 2026, is the 69th day of the year, with 296 days remaining, and it falls…
