• National Felt Hat Day

    United States , United States

    National Felt Hat Day falls on 15 September each year and marks the traditional moment when stylish dressers once packed away their lightweight summer straw hats and brought out their warmer felt ones. The observance celebrates a curious slice of American fashion history, when the calendar dictated what you could and could not wear on...

  • National Linguine Day

    United States , United States

    National Linguine Day falls on 15 September each year, celebrating one of Italy's most beloved pasta shapes. The day gives pasta lovers everywhere an excuse to cook up a favourite linguine dish, explore new recipes, and honour a pasta with centuries of history behind it. How to Celebrate National Linguine Day Whether you are a...

  • National Voter Registration Day

    United States , United States

    National Voter Registration Day is a non-partisan civic holiday in the United States dedicated to helping eligible Americans register to vote and check their existing registration. In 2026 it falls on Tuesday, 15 September. Held each September, the day brings thousands of organisations together for a single coordinated push to grow the electorate ahead of...

  • National Google.com Day

    United States , United States

    National Google.com Day takes place on Tuesday, 15 September 2026. The day marks the anniversary of the registration of the google.com domain name on 15 September 1997, a small administrative step that helped launch one of the most influential companies of the internet age. It is a light-hearted occasion to reflect on how a Stanford...

  • National Double Cheeseburger Day

    United States , United States

    National Double Cheeseburger Day is celebrated every year on 15 September, and in 2026 it falls on Tuesday, 15 September. The day honours one of America's most indulgent fast-food creations: two beef patties, two slices of melting cheese and all the trimmings stacked into a single burger. It is a light-hearted excuse to fire up...

  • National Neonatal Nurses Day

    United States , United States

    National Neonatal Nurses Day takes place every year on 15 September and honours the specialist nurses who care for newborn babies in their most fragile first days. In 2026 it falls on Tuesday, 15 September. The day recognises the skill, dedication, and compassion of neonatal nurses who work in intensive care units supporting premature and...

  • National GED Day

    United States , United States

    National GED Day takes place on Wednesday, 16 September 2026. The day, organised by the GED Testing Service, recognises the achievements of people who have earned their high school equivalency credential and celebrates the learners, educators, and supporters who make that achievement possible. What is National GED Day? National GED Day is an annual observance...

  • Mayflower Day

    United States , United States

    Mayflower Day falls on 16 September each year and commemorates the date in 1620 when the Mayflower set sail from Plymouth, England, carrying 102 passengers towards the New World. The day marks one of the most consequential voyages in early American history, remembering the people who would later be known as the Pilgrims and the...

  • National Choose Your Chocolate Day

    United States , United States

    National Choose Your Chocolate Day takes place every year on 16 September, inviting chocolate lovers to seek out and savour their favourite variety, whether that is a creamy milk bar, a bittersweet dark square, a smooth white truffle or a nut-studded cluster. The day was created by the American chocolatier See's Candies in 2020 and...

  • National Tattoo Story Day

    United States , United States

    National Tattoo Story Day takes place every year on 16 September and invites people to share the personal stories behind their tattoos. The day celebrates the idea that every piece of body art carries meaning, whether it marks a memory, a loss, a milestone or simply a love of the craft. It has been observed...

  • National Guacamole Day

    United States , United States

    National Guacamole Day is celebrated every year on 16 September. In 2026 it falls on Wednesday, 16 September. The day honours the much-loved avocado dip with deep roots in Mexican cuisine, and it shares its date with Mexican Independence Day, making it a natural moment to enjoy traditional flavours. How to Celebrate National Guacamole Day...

  • National School Backpack Awareness Day

    United States , United States

    National School Backpack Awareness Day is held on the third Wednesday of September each year, falling on Wednesday, 16 September 2026. Organised by the American Occupational Therapy Association (AOTA), the day educates students, parents, teachers and healthcare professionals about the health risks of carrying overloaded or poorly fitted backpacks, and promotes simple habits that protect...

  • National Uniform Day

    United States , United States

    National Uniform Day is observed in the United States on the third Wednesday of September, falling on Wednesday, 16 September 2026. The day recognises the tens of millions of people who wear a uniform as part of their daily work, from nurses and paramedics to pilots, restaurant staff and construction crews. It was created to...

  • National Sit With a Stranger Day

    United States , United States

    National Sit With a Stranger Day takes place on Wednesday, 16 September 2026. The day encourages people to set aside their usual routine, sit beside someone they do not know, and start a conversation. It was created to counter social isolation and remind people that small, everyday interactions with strangers can build connection, empathy, and...

  • Constitution Day (Citizenship Day) 2026

    United States , United States

    Constitution Day, also known as Citizenship Day, is an annual observance in the United States that commemorates the signing of the U.S. Constitution on September 17, 1787. This day is dedicated to celebrating and reflecting on the significance of the Constitution as the foundation of the American government and the rights and freedoms it guarantees....

  • National Pet Bird Day

    United States , United States

    National Pet Bird Day takes place every year on 17 September, celebrating companion birds and the joy they bring to millions of households. Created in 2019 by the Bird Enjoyment and Advantage Koalition (BEAK), the day recognises the bond between people and their feathered companions while encouraging responsible, well-informed bird ownership. What is National Pet...

  • National Professional House Cleaners Day

    United States , United States

    National Professional House Cleaners Day takes place every year on 17 September. The observance recognises the skill, effort, and professionalism of the people who clean homes for a living, and it asks the public to treat house cleaning as the legitimate trade it is rather than as menial labour. It is primarily marked in the...

  • Constitution Day

    United States , United States

    Constitution Day, also known as Constitution and Citizenship Day, is observed in the United States on 17 September each year, marking the anniversary of the signing of the US Constitution in 1787. It is a federal observance that celebrates the foundational document of American democracy and honours those who have become United States citizens. The...

  • National Arielle K. Sterrett Day

    United States , United States

    National Arielle K. Sterrett Day takes place every year on 17 September. It is a day of kindness created in memory of Arielle K. Sterrett, a teenager from Kennesaw, Georgia, and it encourages people to carry out random acts of kindness for both people and animals. The date was chosen because it was Arielle's birthday....

  • National Pawpaw Day

    United States , United States

    National Pawpaw Day is celebrated on the third Thursday of September each year, putting the spotlight on North America's largest native fruit. In 2026, it falls on Thursday, 17 September. The day was created to rescue the pawpaw from obscurity and connect people with a remarkable fruit that once played a central role in both...

  • National HIV/ AIDS and Ageing Awareness Day 2026

    United States , United States

    National HIV/AIDS and Aging Awareness Day is an annual observance dedicated to addressing the challenges faced by older adults living with HIV/AIDS. As medical advancements have allowed people with HIV to live longer, this day highlights the intersection of aging and HIV, focusing on the unique health and social issues that arise. The day aims...