National Sibs Day

Young siblings laughing while sharing ice cream, wearing matching striped shirts, park setting with colorful playground equipment..
National sibs day illustration

Who knew that the sibling squabbles, wardrobe theft, and forced road trip singalongs of our youth would get their very own day? Well, mark your calendar because there's a day to remind us of these golden (or not so golden) moments - National Sibs Day! It revolves around appreciating our siblings who've put up with our snoring and mood swings just like us!

When is Sibs Day?

It's national sibs day on the 10th April.

You Haven't Missed Breakfast, But You Almost Missed National Sibs Day!

Yes, it was in 2016 when the internet took it upon itself to give a shout-out to the very people who've seen us at our best and our worst - our brothers and sisters. The mentions hit their peak on none other than April 10! It was as if the worldwide web threw a wild themed party and everyone was getting busy posting their sib pictures, sharing sibling memes and writing heartfelt messages.

Why The Hubbub?

The beauty of National Sibs Day is that it isn't just about reminiscing those shared cookies or fighting over the TV remote control. It's a day to acknowledge the bond that stands the test of time and grows stronger with every passing year. It's about thanking them for always being the first line of defense against mom's anger, and for those secret late-night conversations. And if you're an only child, it's a day to appreciate those friends who've become more than siblings to you.

So, whether you're the mischief master younger sibling, the responsible elder one, or the overlooked middle one, this day is dedicated to you!

History behind the term 'Sibs'


Coined term 'sibs' to refer to siblings.

In 1877, anthropologist John F. McLennan coined the term 'sibs' in his book 'The Study of Sociology' to describe the relationship between siblings. McLennan used this term to highlight the importance of sibling relationships in societies and their impact on social structures.


Popularity growth through academic literature.

During the late 19th century, the term 'sibs' gained popularity through its usage in academic literature. Anthropologists and sociologists began to recognize the significance of sibling relationships in various cultures and their influence on family dynamics. The term 'sibs' became widely used in scholarly discussions and research papers.

Early 20th century

Inclusion in dictionaries and everyday language.

By the early 20th century, the term 'sibs' had solidified its place in the English language. It found its way into dictionaries, officially recognizing its status as a legitimate word. It became commonplace to use 'sibs' to refer to siblings in both formal and informal contexts.

Late 20th century

Evolution of meaning beyond traditional sibling relationships.

In the late 20th century, the term 'sibs' started to evolve to encompass more than just biological siblings. It began to be used to describe strong bonds and connections between individuals who are not necessarily related by blood. This evolution reflected the changing dynamics of family structures and the recognition of chosen family and close friendships.

Present day

Continued usage and cultural impact.

Today, the term 'sibs' continues to be used to refer to siblings and has retained its broader meaning as well. It has become a part of popular culture, appearing in books, movies, and television shows. The term 'sibs' represents the enduring significance of sibling relationships and the ways in which it has expanded to encompass various types of close connections.

Did you know?

National Sibs Day caught on like wildfire in 2016. April 10th that year may well have seen one of the highest 'tag my sibling' activity on social media!


awareness fun loved ones rememberance

First identified

10th April 2015

Most mentioned on

10th April 2016

Total mentions


Other days

cheese lovers

Cheese Lovers Day

teddy bear

Teddy Bear Day


Sibs Day


Biscuit Day

cancer survivors

Cancer Survivors Day


Agriculture Day


Pumpkin Day

suicide prevention

Suicide Prevention Day


Memorial Day

first responders

First Responders Day