National Siblings Day

National Siblings Day History

National Siblings Day seeks to promote the strong bond between brothers and sisters, using this occasion as an opportunity to reach out, reconnect and celebrate. This day also acts as a reminder to appreciate family ties and indulge in nostalgic memories of shared childhood moments. The day stresses the deep connection between siblings, the shared history and experiences, and acknowledges the importance their roles play in personal development and lifelong ties.

Originating in the United States, this observance day was created by Claudia Evart in memory of her deceased siblings. She endeavoured to celebrate and deepen the special bond that exists between siblings. In Australia, the day resonates, as Aussies use it as an opportunity to acknowledge and appreciate their siblings. These relationships, be they biological, step-, half-, or adopted, often form the longest-lasting relationships in individuals' lives, with siblings often becoming trusted sources of advice and companionship.

National Siblings Day is celebrated through personal gestures rather than grand social events. Brothers and sisters might use the day as an opportunity to have a catch-up call, send a thoughtful message, gift, or spend some quality time together. National Siblings Day falls on April 10th annually, emphasizing to take a moment to appreciate the unique bond one has with their siblings.

Top 9 Facts for 2026 National Siblings Day in Australia

• The founder of the international observance, Claudia Evart, originally established the day in memory of her late brother and sister, choosing the date to honour what would have been her sister’s birthday.
• Many Australians engage with the local non-profit organisation Siblings Australia, which is currently operating under a 2024–2026 strategic vision titled Acknowledged, Connected, Resilient to support those growing up with a brother or sister who has a disability.
• Research discussed in the work The Sibling Effect by Jeffrey Kluger highlights that these are typically the longest relationships in a person's life, often enduring for more than 80 years and outlasting bonds with parents, spouses, or children.
• Local interest in the occasion is often driven by the achievements of famous home-grown families, such as Robert and Bindi Irwin, who became the first celebrity sibling duo to both win the title on the television program Dancing with the Stars.
• According to the Australian Bureau of Statistics, approximately 44 per cent of couple families with dependent children in the country consist of two children, meaning the most common sibling dynamic in Australian households is a single brother-sister or same-sex pair.
• Scientific studies from Harvard University suggest that birth order may influence personality traits, with findings indicating that youngest children are frequently perceived as the funniest members of the family, while eldest siblings are statistically more likely to pursue careers in science or engineering.
• Influential Australian creators like Sam and Teagan of The Rybka Twins and the six siblings behind the channel The Norris Nuts have moved the celebration into the digital age by sharing tribute content that reaches millions of young viewers.
• The upcoming memoir by Natalie Bassingthwaighte, titled Love Like This, is expected to explore deep familial themes including the courage required to embrace one’s own story alongside their siblings.
• While the event is widely celebrated on social media in Australia, it remains an unofficial observance rather than a public holiday, unlike the ancient Hindu festival of Raksha Bandhan which also honours the protective bond between brothers and sisters.

In the News and Trending in Australia for National Siblings Day

Top things to do in Australia for National Siblings Day

• Post a picture or a memory of you and your siblings on social media and tag all of your siblings. Write a caption that recalls a fond memory between all of you.
• Attend the National Sibling Leadership conference in Louisville, Kentucky. This will help directly support National Siblings Day and hopefully one day make it a nationally-recognized holiday.
• Explore The Rocks in Sydney: It's a great place to explore Australian history, visit museums and enjoy shopping and dining.
• Visit Queensland’s Theme Parks: With Sea World, Movie World, Dream World and plenty of others, Queensland is famous for its theme parks. It's a fun-filled day outing for siblings.