From teammates, to besties! We’re looking back at some of our faves on National Best Friend Day #NCAAWBB
— NCAA March Madness (@MarchMadnessWBB) June 8, 2025
What better way to celebrate national best friend day than by helping out one of our fellow swifties @guiltyaskait ? Below are links to the T-shirt site, & GFM! If you’re not able to donate, please share as it goes a long way I love you all! bonfire.com It's Alright, Life Is A Tough Crowd | Official Merchandise | Bonfire
— lauren ✨hoping to hug Taylor one day✨ (@laurennf77) June 8, 2025
Today is National Best Friend Day! We wish you and your feline BFFs all the best as we celebrate the incredible bonds cats have with us and each other! Do you have a pair of inseparable community cat best friends in your life?
Replying to @WatchGirlsPlay and @HellsBells_GPTV There really is no one that could be a better fit like Bells in our GP family. I’m grateful she has been with us for 8 years and even more grateful to call her my best friend. Here’s to many more years growing together. Love you so much GIF
National Best Friend Day celebrates the value and importance of friendships. Best friends provide emotional support, essential life advice, and treasured memories to last a lifetime. This special day seeks to encourage people to show appreciation for their best friends by reaching out, doing something special together, or just expressing gratitude for the positive impact of their friendship.
The origins of National Best Friend Day are not documented, but the significance of this event is universally recognized as important to Americans across the country. Friendships play a vital role in our social lives, mental well-being, and overall happiness. In America, people are especially keen on fostering deep and meaningful relationships that provide camaraderie, encouragement, and inspiration. National Best Friend Day is a chance for Americans to come together and rejoice in the bonds of friendship they have formed across the miles, and to express appreciation for their best friends.
National Best Friend Day is celebrated by Americans with a range of activities and gestures that highlight the importance of these treasured relationships. People may choose to send heartfelt messages to their best friends, spend quality time together, give thoughtful gifts, or share nostalgic memories. Friendships may be celebrated on social media platforms as well, sparking further engagement among other friends, family members, and associates. National Best Friend Day is observed each year on June 8th, serving as an important reminder for Americans to take a moment to celebrate and cherish their best friendships.
Top 8 Facts for National Best Friend Day in 2026
A scientific study conducted by researchers at Yale University and the University of California, San Diego discovered that best friends who are not biologically related often share approximately one percent of the same DNA, making them as genetically similar as fourth cousins.
Although the exact reasoning is not formally documented in legislation, the United States Congress reportedly selected June 8 as the official date in 1935 because it was expected to be a warm and sunny day across most of the country, providing the perfect opportunity for outdoor celebrations.
The United Nations once named the beloved literary character Winnie the Pooh as the world's official Ambassador of Friendship in 1997 to recognize the enduring value of companionship and loyalty depicted in the Hundred Acre Wood.
Research indicates that maintaining close friendships can physically lower cortisol levels and reduce psychological stress, effectively acting as a biological buffer that improves long-term heart health and mental well-being.
Many modern observers differentiate this holiday from the International Day of Friendship by focusing specifically on "inner circle" bonds rather than general camaraderie or global peace.
Educational discussions on this day frequently reference Aristotle’s classic categorization of relationships from his philosophical works, which defines the highest form of bonding as a "friendship of virtue" where two people share a soul.
The surge in digital participation has led to a rise in friendship anniversaries, a social trend where people use platforms to track the exact number of years they have remained inseparable from their closest companions.
Cultural celebrations often involve marathon viewings of classic films centered on deep bonds, such as Thelma and Louise, The Shawshank Redemption, and Ferris Bueller’s Day Off.
In the News and Trending in the US for National Best Friend Day
Top things to do in the US for National Best Friend Day
Spread awareness about the holiday using the hashtags #nationalbestfriendday, #NBF, #bff and #besties.
Have a picnic in the park with your best friend. This can be at a park or in any open space so you can both enjoy the great weather.
Watch a movie with your best friend about the importance of best friends. Some suggestions are: Best Friends (1982), Bring it On (2000), Mean Girls (2004), and The Help (2011).
Make a collage of you and your best friend using pictures of the two of you over the years. Share the collage on social media.
If your best friend no longer lives close to you, pick up the phone and give him/her a call. Wish your bestie a happy National Best Friend Day and catch up on things going on in your lives.