Heritage Open Days is an annual celebration of England’s rich history and cultural heritage. Each September, thousands of historic buildings, monuments, and sites across the country open their doors to the public for free. Organized by the National Trust, this event offers a unique opportunity to explore England's hidden gems, learn about the nation’s diverse...
Gym Day, also widely known as National Gym Day, is an annual celebration of fitness, strength training, and the role gyms play in keeping people active. It takes place on Saturday, 12 September 2026, and is designed to encourage people to start or rebuild healthy habits as summer ends and autumn sets in. The day...
National Day of Encouragement takes place on Saturday, 12 September 2026. It is a day set aside in the United States to uplift others through kind words and genuine support, encouraging people to make a positive difference in someone else's life. The observance was formally recognised in 2007 and has been marked on 12 September...
International Drive Your Studebaker Day takes place on Saturday, 12 September 2026, the second Saturday of September. It is an annual celebration that encourages owners of Studebaker cars, trucks, and carriages to take their vehicles out of the garage and onto the open road. Organised by the Studebaker Drivers Club, the day honours one of...
German Language Day, known in German as Tag der deutschen Sprache, takes place on the second Saturday of September each year, falling on 12 September in 2026. It is an annual occasion dedicated to celebrating the German language and encouraging people to value and use it with care, organised by the Verein Deutsche Sprache. The...
National Report Medicare Fraud Day takes place every year on 12 September and encourages people across the United States to recognise, refuse and report Medicare fraud. The day aims to protect both taxpayers and the programme's beneficiaries by raising awareness of how fraud happens and how ordinary citizens can take action. It also highlights the...
National Chocolate Milkshake Day falls on Saturday, 12 September 2026. This American food holiday celebrates one of the most beloved cold drinks ever poured: a thick, frosty blend of chocolate, milk and ice cream. It is a day for milkshake lovers to pull out the blender, visit a favourite diner or soda fountain, and raise...
Mindfulness Day takes place every year on 12 September, encouraging people around the world to pause, breathe, and pay closer attention to the present moment. The day was established to raise public awareness of mindfulness practice and the proven benefits it offers for mental and physical wellbeing. It is a chance for individuals, schools, workplaces,...
World Dolphin Day takes place on Saturday, 12 September 2026. Launched by the marine conservation organisation Sea Shepherd Global, it celebrates the intelligence and beauty of dolphins while raising awareness of the serious threats they face, from hunting and entanglement to pollution and habitat loss. What is World Dolphin Day? World Dolphin Day is an...
National Hug & High 5 Day takes place every year on 12 September, and in 2026 it falls on Saturday, 12 September. The day encourages people to share a simple hug or a high five with friends, family, colleagues, neighbours and even strangers, using small moments of human connection to spread warmth and lift one...
National Just One Human Family Day takes place on Saturday, 12 September 2026. It is a day set aside to reflect on the idea that everyone, regardless of background, belief, or border, belongs to a single human family sharing one planet. The observance encourages acts of kindness, community connection, and small steps towards greater harmony...
Farmers' Consumer Awareness Day is an annual agricultural festival held on the second Saturday of September in Quincy, Washington. In 2026 it falls on Saturday, 12 September. The day brings farmers and the public together to celebrate agriculture, showcase how food is grown, and remind consumers of the work that goes into filling supermarket shelves....
National Hug Your Hound Day celebrates the unique bond between people and their dogs, encouraging kindness, safety, and responsible pet ownership.
Grandparents Day is observed in the United States on the first Sunday after Labor Day each year, falling on 13 September in 2026. Established by a presidential proclamation in 1978, the day honours grandparents for their wisdom, guidance, and the vital role they play in family life. It provides an annual opportunity for grandchildren of...
National Pet Memorial Day falls on the second Sunday of September each year, offering pet owners a dedicated moment to remember the animals who have shared and shaped their lives. Established in 1972 by the International Association of Pet Cemeteries and Crematories, it is a gentle, reflective day for honouring beloved companions who have passed...
IRONMAN Wales is a full-distance triathlon held each September in the seaside town of Tenby, Pembrokeshire. The 2026 race takes place on Sunday 13 September 2026, sending roughly 2,000 athletes through a 2.4-mile sea swim, a 112-mile bike ride and a 26.2-mile marathon. Widely regarded as one of the toughest races on the global IRONMAN...
National Peanut Day is celebrated every year on 13 September. In 2026 it falls on Sunday, 13 September. The day honours the humble peanut, one of the world's most popular and versatile legumes, and celebrates its place in kitchens, snacks and recipes around the globe. From peanut butter to roasted snacks and rich satay sauces,...
National Bald Is Beautiful Day takes place every year on 13 September, falling on Sunday, 13 September in 2026. The day celebrates baldness in all its forms, whether shaved by choice, inherited through genetics, or the result of a medical condition, and encourages people to wear a bare head with confidence and pride. How to...
National Celiac Disease Awareness Day takes place every year on 13 September. It raises awareness of coeliac disease, a serious autoimmune condition triggered by gluten, and encourages earlier diagnosis and better understanding of the gluten-free diet. The date was chosen to honour Dr Samuel Gee, a pioneering physician in coeliac research, who was born on...
National Defy Superstition Day takes place every year on 13 September, and in 2026 it falls on a Sunday. The day invites people across the United States, and increasingly elsewhere, to deliberately break the so-called rules of bad luck: walk under a ladder, open an umbrella indoors, cross paths with a black cat, and prove...
National Twilighters Day falls on Sunday, 13 September 2026, celebrating the worldwide community of fans devoted to Stephenie Meyer's Twilight saga. The date marks the birthday shared by author Stephenie Meyer and her heroine Bella Swan, and it has become a focal point for Twihards everywhere, from the rainy town of Forks, Washington, to fan...