World Plumbing Day
A global observance highlighting the importance of plumbing in public health, clean water access, and environmental sustainability.
Tuesday
March 11
18 holidays and observances fall on this day.
National COVID-19 Day
National COVID-19 Day is observed every March 11 to remember the lives lost and honor frontline workers since the 2020 pandemic declaration.
World Day of Muslim Culture Peace Dialogue and Film
World Day of Muslim Culture Peace Dialogue and Film is observed every March 11 to foster interfaith understanding through art and cinema.
National Johnny Appleseed Day
National Johnny Appleseed Day is held every March 11 to honor pioneer John Chapman and his role in spreading apple orchards across America.
National Funeral Director and Mortician Recognition Day
National Funeral Director and Mortician Recognition Day is held every March 11 to honor the professionals who assist families during loss.
Debunking Day
Celebrate Debunking Day on March 11 by challenging myths, promoting critical thinking, and spreading truth. Join the fight against misinformation!
National Dream Day
National Dream Day is held every March 11 to inspire people to pursue their aspirations and celebrate the power of visionary thinking.
National No-Code Day
Celebrate National No-Code Day on March 11, empowering individuals and businesses to create digital solutions without traditional coding skills.
Worship of Tools Day
Worship of Tools Day is observed every March 11 to promote tool maintenance and celebrate the utility of building and repair implements.
National Oatmeal Nut Waffles Day
National Oatmeal Nut Waffles Day is celebrated every March 11 to promote a healthier, whole-grain version of the traditional breakfast waffle.
311 Day
311 Day is a fan-led holiday observed every March 11 to celebrate the band 311 and promote non-emergency city services.
Key Deer Awareness Day
Key Deer Awareness Day is observed every March 11 to protect the endangered small deer native to the Florida Keys.
Wash Your Nose Day
Wash Your Nose Day is observed every March 11 to promote nasal hygiene as an essential part of daily personal care.
National Promposal Day
National Promposal Day is celebrated every March 11 to encourage high school students to create unique prom invitations.
National Sofrito Day
National Sofrito Day is celebrated every March 11 to honor the aromatic vegetable base used in Latin American and Mediterranean cooking.
National Payton Slaymaker Day
National Payton Slaymaker Day is held every March 11 to honor a brave girl's legacy and raise awareness for pediatric brain cancer research.
National Organize Your Home Office Day
National Organize Your Home Office Day is observed on the second Tuesday of March to encourage efficient workspaces.
Independence Restoration Day
Lithuania celebrates Independence Restoration Day every March 11 to honor the 1990 restoration of its sovereign state.
Coming up next
National No Smoking Day
National No Smoking Day is held on the second Wednesday of March to encourage smokers to quit and highlight the health benefits of stopping.
World Glaucoma Day
World Glaucoma Day is a global health awareness event held every March 12 to prevent blindness.
World Day Against Cyber Censorship
World Day Against Cyber Censorship is an online event promoting internet freedom held every March 12.
Registered Dietitian Nutritionist Day
Registered Dietitian Nutritionist Day is held on the second Wednesday of March to honor the contributions of food and nutrition experts.
National Working Mom's day
National Working Mom's Day is an annual celebration on March 12 honoring mothers in the workforce.
National Girl Scout Day
National Girl Scout Day commemorates the founding of the first troop on March 12.
Alfred Hitchcock Day
Alfred Hitchcock Day is an annual celebration of the famous filmmaker held every March 12.
Brain Injury Awareness Day
Brain Injury Awareness Day raises public knowledge about traumatic brain injuries annually in March.
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