The Boston Celtics are one of the most iconic basketball teams in NBA history. Known for their winning spirit, legendary players, and historic rivalries, this team has been thrilling fans for decades. But have you ever wondered: When was the Boston Celtics founded? Let’s dive into the story of how this famous team began, along with some fun facts about their journey to becoming basketball royalty.
What Year Was the Boston Celtics Created?
The Boston Celtics were founded in 1946. Specifically, they were established on June 6, 1946, as part of the Basketball Association of America (BAA), which would later merge with the National Basketball League (NBL) to form the NBA in 1949. The team was created in Boston, Massachusetts, a city rich in history and sports culture.
At the time, basketball wasn’t as popular as it is today, but team founders saw potential in the sport and believed Boston could support a professional team. Little did they know the Celtics would grow to become one of the most successful and beloved teams in NBA history.
Who Started the Boston Celtics?
The Boston Celtics were founded by Walter A. Brown, a Boston sports promoter and visionary who also managed the Boston Garden (the Celtics’ first home arena). Brown played a critical role in bringing professional basketball to the city.
The team was initially coached by John “Honey” Russell, but the Celtics struggled in their early years. Brown’s perseverance helped the Celtics overcome these challenges, and his leadership paved the way for the team’s incredible success in the decades to come.
Why Are the Celtics So Famous?
The Celtics’ fame isn’t just about their founding—it’s about what they’ve accomplished since then. From their incredible championship record to their legendary players and fierce rivalries, the Boston Celtics are a team that has made basketball history time and again. Here are some reasons why they’re so famous:

- Championships: The Celtics have one of the most impressive records in NBA history (more on that later!).
- Legendary Players: Players like Bill Russell, Larry Bird, and Paul Pierce have left their mark on the game.
- Historic Rivalries: Their rivalry with the Los Angeles Lakers is one of the most famous in sports history.
- Team Spirit: The Celtics’ emphasis on teamwork and determination has set them apart for decades.
Whether you’re a lifelong fan or just learning about them, there’s no denying the Celtics’ impact on the game of basketball.
How Many Championships Have the Celtics Won?
The Boston Celtics have won 17 NBA championships—tied for the most in NBA history with the Los Angeles Lakers. Their first championship came in 1957, and they went on to dominate the league throughout the 1960s, winning eight titles in a row from 1959 to 1966. Their most recent championship victory was in 2008, when they defeated the Lakers in the NBA Finals.
Who Is the Most Famous Celtics Player?
The Celtics have had many legendary players, but Bill Russell is arguably the most famous. As the cornerstone of the Celtics’ dynasty during the 1950s and 1960s, Russell won 11 championships—the most by any player in NBA history. Known for his defensive prowess and leadership, Russell is considered one of the greatest basketball players of all time. Other notable players include Larry Bird, Paul Pierce, Kevin Garnett, and John Havlicek.
What Are the Celtics’ Team Colors?
The Boston Celtics are known for their iconic colours: green and white. The green symbolizes their Irish heritage, while the white complements their clean and classic look. The Celtics’ uniforms are among the most recognizable in all of the sports, and their green jerseys are a fan favourite.
When Did the Celtics Win Their First Championship?
The Boston Celtics won their first NBA championship in 1957. Led by the legendary Bill Russell, who had joined the team that same year, the Celtics defeated the St. Louis Hawks in a thrilling seven-game series. This victory marked the beginning of the Celtics’ dominance in the NBA, and they would go on to win 16 more championships in the years that followed.
Where Do the Boston Celtics Play?
The Boston Celtics currently play their home games at TD Garden, located in Boston, Massachusetts. The arena, which opened in 1995, is one of the most iconic venues in professional sports. Before moving to TD Garden, the Celtics played at the famous Boston Garden, their home from 1955 to 1995.
TD Garden is known for its electric atmosphere, especially during playoff games, when Celtics fans come out in full force to cheer on their team.
How Old Are the Boston Celtics Today?
As of 2025, the Boston Celtics are 79 years old. Since their founding in 1946, the Celtics have become one of the most celebrated teams in NBA history. Over the decades, they’ve evolved from a fledgling franchise into a basketball powerhouse that continues to compete at the highest level.

What Makes the Celtics’ Logo Special?
The Celtics’ logo features a leprechaun named “Lucky” spinning a basketball. The logo reflects Boston’s strong Irish heritage, as well as the team’s fun and competitive spirit. The leprechaun has become a beloved symbol of the team, and fans around the world recognize it as a representation of Celtics pride.
Have the Celtics Ever Missed the Playoffs?
Yes, the Boston Celtics have missed the playoffs a few times throughout their history, but it’s not very common. In fact, the Celtics are known for being one of the most consistent teams in NBA history when it comes to making the playoffs. Their focus on building strong teams and maintaining a winning culture has kept them competitive for decades.
Who Coaches the Celtics Now?
As of the 2024–2025 NBA season, the head coach of the Boston Celtics is Joe Mazzulla. He took over as head coach in 2022 and has been instrumental in leading the team to success. Mazzulla emphasizes teamwork and a strong work ethic, which aligns with the Celtics’ storied tradition.
How Did the Celtics Get Their Name?
The Boston Celtics got their name from Walter A. Brown, who wanted a name that reflected Boston’s Irish heritage. The term “Celtics” refers to the Celtic people, who were known for their rich culture and history in Ireland and Scotland. Brown believed the name would resonate with Boston’s large Irish-American population, and he was right—the name has become synonymous with basketball excellence.
The Bottom Line
The Boston Celtics were founded on June 6, 1946, and have since become one of the most successful teams in NBA history. From their first championship in 1957 to their legendary players like Bill Russell and Larry Bird, the Celtics have a storied past filled with incredible achievements. Their iconic green and white uniforms, Irish-inspired logo, and strong connection to their fans make them one of the most beloved teams in sports.
Whether you’re a die-hard Celtics fan or just starting to learn about basketball, the story of the Boston Celtics is one of determination, teamwork, and success. And now you know the answer to the question: When was the Boston Celtics founded? It’s a story worth celebrating, just like the team itself!