1961 Bullets

The Wizards are based in Washington, D.C. They are part of the Southeast Division of the Eastern Conference. They began playing as the Chicago Packers in 1961. After only one year, they changed their name to the Zephyrs. In 1963 the franchise moved to Baltimore, Maryland, and became the Baltimore Bullets. The 1970-71 season ended with the Milwaukee Bucks winning the NBA Championship, beating the Baltimore Bullets in their first NBA Finals. In 1973, the team moved to Landover, Maryland and became the Capital Bullets; to avoid confusion with the Washington Capitals, they changed their name to the Washington Bullets the following season. The Bullets have won the NBA Championship in 1978. A contest was held to choose a new name and the choices were narrowed to the Dragons, Express, Stallions, Sea Dogs, or Wizards. In 1997, the Bullets officially became the Washington Wizards.

1947 Showtime

The Lakers are based in Los Angeles, California. They play in the Pacific Division of the Western Conference. The franchise began with the 1947 purchase of a disbanded team, the Detroit Gems of the NBL. The new team began playing in Minneapolis, Minnesota, calling themselves the Minneapolis Lakers in honor of the state's nickname, "Land of 10,000 Lakes". They won five of the next six BAA and NBA championships in Minneapolis after the NBA formed in 1949. They relocated to LA and made the NBA Finals six times in the 1960s, but lost each series to the Boston Celtics, beginning their long rivalry. They won their sixth NBA title, and first in LA in 1972, five other championships in a nine-year span, including their first ever Finals championship against the Celtics in 1985. They won three consecutive titles between 2000 to 2002 and two more by defeating the Orlando Magic in 2009 and Boston in 2010. The Lakers are one of the most successful teams in the history of the NBA with 16 NBA championships wins.

1946 The Warriors

The Warriors are an American professional basketball team based in Oakland, California. They are part of the Pacific Division of the Western Conference. The team was first established as the Philadelphia Warriors, in Philadelphia, Pennsylvania. In 1962, the franchise was relocated to San Francisco and became known as the San Francisco Warriors until 1971, when its name was changed to the current Golden State Warriors. The Philadelphia Warriors won the inaugural BAA championship in 1947, followed by the Baltimore Bullets and the Minneapolis Lakers in 1948 and 1949 respectively. The Warriors have won two others in the team's history, including another in Philadelphia in 1956, and one as Golden State in 1975, tying them for 5th in the NBA in number of championships.

1946 The Hawks

The Hawks are based in Atlanta, Georgia. They are part of the Southeast Division of the Eastern Conference in the NBA. Their origins can be traced to the establishment of the Buffalo Bisons in 1946, a member of the National Basketball League. After 13 games of their inaugural season, the team moved to Moline, Illinois and became the Tri-Cities Blackhawks. In 1949, they joined the National Basketball Association. In 1951, the team moved to Milwaukee, where they changed their name to the Hawks. They have won their only NBA Championship in 1958, after they moved to St. Louis in 1955. All the franchise's NBA Finals appearances and lone NBA championship took place when the team resided in St. Louis. The Hawks currently own the second-longest run (behind the Sacramento Kings) of not winning an NBA title at 56 years.

1946 The Knicks

The Knicks, is the world's most valuable professional basketball organization, based in New York City, New York. The team, established in 1946, was one of the founding members of the Basketball Association of America (BAA), which became the NBA after merging with rival NBL in 1949. The team along with the Boston Celtics is one of only two teams of the original NBA still located in its original city. Beginning in 1950, the Knicks made three consecutive appearances in the NBA Finals, all of which were losing efforts. They were successfully guided to two championship titles in 1970 and 1973. The Knicks of the 1980s had mixed success that included six playoff appearances however, they failed to participate in the NBA Finals. In 2012-13 the franchise won its first division title in 19 years, but were eliminated in the second round by the Pacers. 

1946 Boston Three Party

The Celtics are based in Boston, Massachusetts. They play in the Atlantic Division of the Eastern Conference. The franchise's seventeen championships are the most for any NBA franchise, which makes the Celtics the most successful franchise to date in the major four traditional North American professional sports. They dominated the league during the late 1950s and through the mid-1980s, winning eleven championships in thirteen years and eight in a row (1959–1966). The Celtics have met the Lakers a record twelve times in the Finals, including their most recent appearances in 2008 and 2010. Their mascot 'Lucky the Leprechaun' is a nod to the team's Irish heritage and to Boston's historically large Irish population. 

1941 Bad Boys

The Pistons are based in Auburn Hills, Michigan in Metro Detroit. They are members of the Central Division of the Eastern Conference in NBA. The team was founded in Fort Wayne, Indiana as the Fort Wayne (Zollner) Pistons as a member of NBL. In 1948, the team became the Fort Wayne Pistons, competing in the Basketball Association of America (BAA). Prior to the 1986–87 season, the Pistons acquired more key players, adopted a physical, defense-oriented style of play, which eventually earned them the nickname "Bad Boys". Since moving to Detroit in 1957, the Pistons have won NBA championships in 1989, 1990 and 2004.

1923 The Kings

The Kings are based in Sacramento, California. They are members of the Pacific Division of the Western Conference in NBA. The Kings can trace their origins to a local semi-professional team based in Rochester, New York in the early 1920s. The team was officially established professionally in the National Basketball League (NBL) in 1945 as the Rochester Royals. In 1949, as a result of that year's absorption of the NBL by the BAA, the Royals became members of the newly formed NBA. They have won the NBA championship in 1951. The team moved to Sacramento in 1985.

1946 Professional basketball league

The National Basketball Association (NBA) is one of the four major North American professional sports leagues. The league was founded in New York City in 1946, as the Basketball Association of America (BAA). The league adopted the name National Basketball Association in 1949, after absorbing the rival National Basketball League (NBL). It has thirty franchised member clubs, 29 in the United States and 1 in Canada. The final playoff round, a best-of-seven series between the victors of both conferences, is known as the NBA Finals. The victor in the NBA Finals wins the Larry O'Brien Championship Trophy. Each player and major contributor - including coaches and the general manager - on the winning team receive a championship ring.