Published holidays observed on this date.
Butterscotch Cinnamon Pie Day, observed on September 15, is a sweet celebration of a comforting dessert that brings together two wonderfully nostalgic flavors. Butterscotch…
Costa Rica Independence Day is observed on September 15, celebrating Costa Rica’s independence from Spanish colonial rule. The day commemorates the arrival of the news of…
Dot Day is observed on September 15 as a joyful celebration of creativity, courage, and self-expression. Inspired by Peter H. Reynolds’s beloved picture book *The Dot*, the…
El Salvador Independence Day is observed on September 15, celebrating the country’s independence from Spanish rule. The day honors the historic movement for freedom shared by the…
Felt Hat Day, observed on September 15, celebrates the timeless style, craftsmanship, and versatility of felt hats. Made from compressed fibers—often wool or fur—felt hats have…
Guatemala Independence Day is observed on September 15, commemorating Guatemala’s independence from Spanish colonial rule in 1821. The day honors the country’s history,…
Honduras Independence Day is observed on September 15, commemorating Honduras’s independence from Spanish rule in 1821. It is a meaningful national occasion that honors the…
Make a Hat Day, observed on September 15, invites people of all ages to explore their creativity by designing and making a hat of their own. From colorful paper creations and…
National Cheese Toast Day, observed on September 15, celebrates the simple, satisfying pleasure of crisp bread topped with melted, savory cheese. It’s a delicious reminder that a…
National Creme de Menthe Day, observed on September 15, celebrates the refreshing, minty liqueur known for its vibrant green color and smooth, cool flavor. Often enjoyed in…
National Custom Framing Day, observed on September 15, celebrates the artistry and craftsmanship behind presenting meaningful objects in the best possible way. From cherished…
National Double Cheeseburger Day, observed on September 15, is a delicious occasion celebrating the classic double cheeseburger. With two savory beef patties, layers of melted…
National Google.com Day, observed on September 15, celebrates one of the world’s most familiar gateways to information. The observance recognizes Google.com and the way its…
National IT Professionals Day, observed on September 15, recognizes the skilled people who keep our digital world running. From managing networks and protecting data to solving…
National Linguine Day, observed on September 15, is a delicious opportunity to celebrate one of Italy’s most beloved pasta shapes. Linguine means “little tongues” in Italian, a…
National Online Learning Day, observed on September 15, celebrates the many ways digital education makes learning more accessible, flexible, and engaging. From virtual classrooms…
World Engineers Day, observed on September 15, celebrates the creativity, skill, and problem-solving that engineers bring to the world. From designing safer buildings and cleaner…
