March 11 is the 70th day of the year in the Gregorian calendar, leaving 295 days until the end of the year (296 in leap years). On this day, 18 national and international celebrations take place, covering health, food, public services, history, and awareness initiatives.

From honoring funeral directors and plumbers to promoting nasal hygiene and raising awareness for endangered deer, March 11 offers a wide variety of ways to learn, reflect, and engage with the world around us.
National and International Days on March 11
COVID-19 Day of Reflection 🇬🇧* (Dates change): Observed in the UK, this day remembers those who lost their lives to COVID-19 and honors those who continue to grieve. Marking five years since the start of the pandemic, it provides a moment of reflection and unity in remembrance.
Debunking Day: Established in 2005 by astrologer and author Rob Brezsny, this day encourages people to challenge misinformation and set the record straight on myths and misconceptions. It highlights the importance of truth and critical thinking in an age where misinformation spreads quickly.
Key Deer Awareness Day: Introduced in 2016, this day raises awareness of the endangered Key deer, a small subspecies of white-tailed deer found only in the Florida Keys. Conservation efforts focus on protecting their habitat and preventing further decline due to urbanization and climate change.
National 311 Day: Created in 2020 through a collaboration between Google.org and several U.S. cities, this day highlights the importance of the 311 non-emergency phone system. Designed to ease pressure on 911 operators, 311 allows residents to report issues, access city services, and engage with their communities more effectively.
National COVID-19 Day: Commemorates the day the World Health Organization declared COVID-19 a global pandemic in 2020. This day honors those affected, thanks essential workers, and encourages continued support for public health efforts.
National Dream Day: This day celebrates the power of dreams and aspirations, inspired by Robert Muller, a former United Nations official known for his vision of a peaceful and educated world. His work in global education and humanitarian efforts continues to inspire dreamers worldwide.
National Funeral Director and Mortician Recognition Day: Established by Congress in 2008, this day honors funeral directors and morticians for their dedication to helping families navigate the difficult process of saying goodbye to loved ones. Their work ensures compassionate and respectful memorial services.
National Immune System Day: Dedicated to raising awareness about the importance of immune health, this day encourages people to take steps to support their immune systems through proper nutrition, sleep, exercise, and stress management.
National Johnny Appleseed Day (March 11 and September 26): Celebrates John Chapman, better known as Johnny Appleseed, who introduced apple trees to large parts of the U.S. during the 18th and 19th centuries. His legacy includes conservation, kindness, and a love of nature.
National No-Code Day: Recognizing the rise of no-code technology, this day highlights the ability of individuals and businesses to build digital tools, automate workflows, and create apps without programming knowledge. No-code platforms are transforming how people bring ideas to life.
National Oatmeal Nut Waffles Day: Celebrates a nutritious twist on classic waffles, incorporating whole grain oats and chopped nuts. This day promotes healthier breakfast options while honoring the versatility of waffles in global cuisine.
🧇 The classic waffle and all its delicious variations are celebrated on National Waffle Day, observed every year on August 24th! 🎉✨
National Organize Your Home Office Day * (Second Tuesday in March): Established by organization expert Lisa Kanarek, this day encourages people to declutter and improve the efficiency of their home offices. A clean, organized workspace can boost productivity and reduce stress.
🧼 Discover 30+ national days dedicated to cleaning and organization! Perfect for tackling chores and bringing order to your space. 🧹✨
National Payton Slaymaker Day: Created in memory of Payton Slaymaker, a young girl who courageously battled diffuse intrinsic pontine glioma (D.I.P.G.), this day raises awareness for childhood brain cancer and the need for increased research and support for affected families.
National Promposal Day: Founded in 2016 by Men’s Wearhouse, this day celebrates the creativity and excitement of prom proposals. It encourages students to ask their dates in fun and memorable ways, marking a milestone moment in high school life.
National Sofrito Day: Recognizes sofrito, a flavorful cooking base used in Spanish, Caribbean, Latin American, and Mediterranean cuisine. Made with a mix of aromatic ingredients like garlic, onions, tomatoes, and peppers, sofrito adds depth to many traditional dishes.
National Wash Your Nose Day: Established by Xlear, a natural sinus care company, this day promotes nasal hygiene as an essential health practice. Washing the nose helps remove allergens, bacteria, and viruses, reducing the risk of respiratory infections.
National Worship of Tools Day: A day for tool enthusiasts to appreciate and maintain their tools, whether for woodworking, home improvement, or other projects. It’s an opportunity to clean, organize, and even invest in new tools to keep creativity flowing.
World Plumbing Day: Established by the World Plumbing Council in 2010, this day recognizes the critical role of plumbing in public health and sanitation. It raises awareness about global access to clean water and proper sanitation systems.
These 18 national and international observances on March 11 highlight important issues, historical milestones, and fun traditions. Whether you’re organizing your home office, appreciating essential workers, or raising awareness for important causes, this day provides many ways to engage and reflect.
Which of these observances will you be celebrating today?
➡️ Have you already seen DigitalHyyge’s National Days Calendars 2025?
➡️ Complete list of March National Days
➡️ Complete list of April National Days
➡️ Curious to see more national and international celebrations? We have dozens of national days lists curated for you!