History of the NBA

The Basketball Association of America was founded in 1946 by owners of the major ice hockey arenas in the Northeastern and Midwestern United States and Canada. On November 1, 1946, in Toronto, Ontario, Canada, the Toronto Huskies hosted the New York Knickerbockers at Maple Leaf Gardens, in a game the NBA now refers to as the first game played in NBA history. The first basket was made by Ossie Schectman of the Knickerbockers. Although there had been earlier attempts at professional basketball leagues, including the American Basketball League (ABL) and the NBL, the BAA was the first league to attempt to play primarily in large arenas in major cities. During its early years, the quality of play in the BAA was not significantly better than in competing leagues or among leading independent clubs such as the Harlem Globetrotters. For instance, the 1948 ABL finalist Baltimore Bullets moved to the BAA and won that league's 1948 title, and the 1948 NBL champion Minneapolis Lakers won the 1949 BAA title. Prior to the 1948–49 season, however, NBL teams from Fort Wayne, Indianapolis, Minneapolis, and Rochester jumped to the BAA, which established the BAA as the league of choice for collegians looking to turn professional.

On August 3, 1949, the remaining NBL teams–Syracuse, Anderson, Tri-Cities, Sheboygan, Denver, and Waterloo–merged into the BAA. In deference to the merger and to avoid possible legal complications, the league name was changed to the present National Basketball Association, even though the merged league retained the BAA's governing body, including Maurice Podoloff as president. To this day, the NBA claims the BAA's history as its own. It now reckons the arrival of the NBL teams as an expansion, not a merger, and does not recognize NBL records and statistics.

The new league had seventeen franchises located in a mix of large and small cities, as well as large arenas and smaller gymnasiums and armories. In 1950, the NBA consolidated to eleven franchises, a process that continued until 1954–55, when the league reached its smallest size of eight franchises: the New York Knicks, Boston Celtics, Philadelphia Warriors, Minneapolis Lakers, Rochester Royals, Fort Wayne Pistons, Milwaukee Hawks, and Syracuse Nationals, all of which remain in the league today, although the latter six all did eventually relocate. The process of contraction saw the league's smaller-city franchises move to larger cities. The Hawks had shifted from the Tri-Cities to Milwaukee in 1951, and later shifted to St. Louis in 1955. The Rochester Royals moved from Rochester, New York, to Cincinnati in 1957 and the Pistons moved from Fort Wayne, Indiana, to Detroit in 1957.

Japanese-American Wataru Misaka broke the NBA color barrier in the 1947–48 season when he played for the New York Knicks. He remained the only non-white player in league history prior to the first African-American, Harold Hunter, signing with the Washington Capitols in 1950. Hunter was cut from the team during training camp, but several African-American players did play in the league later that year, including Chuck Cooper with the Celtics, Nathaniel "Sweetwater" Clifton with the Knicks, and Earl Lloyd with the Washington Capitols. During this period, the Minneapolis Lakers, led by center George Mikan, won five NBA Championships and established themselves as the league's first dynasty. To encourage shooting and discourage stalling, the league introduced the 24-second shot clock in 1954. If a team does not attempt to score a field goal (or the ball fails to make contact with the rim) within 24 seconds of obtaining the ball, play is stopped and the ball given to its opponent.

### Celtics' dominance, league expansion and competition (1956–1979)

In 1957, rookie center Bill Russell joined the Boston Celtics, which already featured guard Bob Cousy and coach Red Auerbach, and went on to lead the franchise to eleven NBA titles in thirteen seasons. Center Wilt Chamberlain entered the league with the Warriors in 1959 and became a dominant individual star of the 1960s, setting new single-game records in scoring (100) and rebounding (55). Russell's rivalry with Chamberlain became one of the greatest rivalries in the history of American team sports.

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The 1960s were dominated by the Celtics. Led by Russell, Cousy, and Auerbach, Boston won eight straight championships in the NBA from 1959 to 1966. This championship streak is the longest in NBA history. They did not win the title in 1966–67, but regained it in the 1967–68 season and repeated in 1969. The domination totaled nine of the ten championship banners of the 1960s.

Through this period, the NBA continued to evolve with the shift of the Minneapolis Lakers to Los Angeles, the Philadelphia Warriors to San Francisco, the Syracuse Nationals to Philadelphia to become the Philadelphia 76ers, and the St. Louis Hawks moving to Atlanta, as well as the addition of its first expansion franchises. The Chicago Packers (now Washington Wizards) became the ninth NBA team in 1961. From 1966 to 1968, the league expanded from 9 to 14 teams, introducing the Chicago Bulls, Seattle SuperSonics (now Oklahoma City Thunder), San Diego Rockets (who moved to Houston four years later), Milwaukee Bucks, and Phoenix Suns.

In 1967, the league faced a new external threat with the formation of the American Basketball Association (ABA). The leagues engaged in a bidding war. The NBA landed the most important college star of the era, Kareem Abdul-Jabbar (then known as Lew Alcindor). However, the NBA's leading scorer, Rick Barry, jumped to the ABA, as did four veteran referees—Norm Drucker, Earl Strom, John Vanak, and Joe Gushue.

In 1969, Alan Siegel, who oversaw the design of Jerry Dior's Major League Baseball logo a year prior, created the modern NBA logo inspired by the MLB's. It incorporates the silhouette of Jerry West, based on a photo by Wen Roberts. The NBA would not confirm that a particular player was used because, according to Siegel, "They want to institutionalize it rather than individualize it. It's become such a ubiquitous, classic symbol and focal point of their identity and their licensing program that they don't necessarily want to identify it with one player." The iconic logo debuted in 1971 (with a small change to the typeface on the NBA wordmark in 2017) and would remain a fixture of the NBA brand.

The ABA succeeded in signing a number of major stars in the 1970s, including Julius Erving of the Virginia Squires, in part because it allowed teams to sign college undergraduates. The NBA expanded rapidly during this period. From 1966 to 1974, the NBA grew from nine franchises to 18. In 1970, the Portland Trail Blazers, Cleveland Cavaliers, and Buffalo Braves (now the Los Angeles Clippers) all made their debuts expanding the league to 17. The New Orleans Jazz (now in Utah) came aboard in 1974 bringing the total to 18. Following the 1976 season, the leagues reached a settlement that provided for the addition of four ABA franchises to the NBA, raising the number of franchises in the league at that time to 22. The franchises added were the San Antonio Spurs, Denver Nuggets, Indiana Pacers, and New York Nets (now the Brooklyn Nets). Some of the biggest stars of this era were Abdul-Jabbar, Barry, Dave Cowens, Erving, Elvin Hayes, Walt Frazier, Moses Malone, Artis Gilmore, George Gervin, Dan Issel, and Pete Maravich. The end of the decade, however, saw declining TV ratings, low attendance and drug-related player issues – both perceived and real – that threatened to derail the league.

### Surging popularity (1979–1998)

The league added the ABA's three-point field goal beginning in 1979. That same year, rookies Larry Bird and Magic Johnson joined the Boston Celtics and Los Angeles Lakers respectively, initiating a period of significant growth of fan interest in the NBA. The two had faced each other in the 1979 NCAA Division I Basketball Championship Game, and they later played against each other in three NBA Finals (1984, 1985, and 1987). In the 10 seasons of the 1980s, Johnson led the Lakers to five titles while Bird led the Celtics to three titles. Also in the early 1980s, the NBA added one more expansion franchise, the Dallas Mavericks, bringing the total to 23 teams. Later on, Larry Bird won the first three three-point shooting contests. On February 1, 1984 David Stern became commissioner of the NBA. Stern has been recognized as playing a major role in the growth of the league during his career.

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Michael Jordan entered the league in 1984 with the Chicago Bulls, spurring more interest in the league. In 1988 and 1989, four cities got their wishes as the Charlotte Hornets, Miami Heat, Orlando Magic, and Minnesota Timberwolves made their NBA debuts, bringing the total to 27 teams. The Detroit Pistons won the back-to-back NBA Championships in 1989 and 1990, led by coach Chuck Daly and guard Isiah Thomas. Jordan and Scottie Pippen led the Bulls to two three-peats in eight years during the 1991–1998 seasons. Hakeem Olajuwon won back-to-back titles with the Houston Rockets in 1994 and 1995.

The 1992 Olympic basketball Dream Team, the first to use current NBA stars, featured Michael Jordan as the anchor, along with Bird, Johnson, David Robinson, Patrick Ewing, Scottie Pippen, Clyde Drexler, Karl Malone, John Stockton, Chris Mullin, Charles Barkley, and star NCAA amateur Christian Laettner. The team was elected to the Naismith Memorial Basketball Hall of Fame, while 11 of the 12 players (along with three out of four coaches) have been inducted as individuals in their own right.
In 1995, the NBA expanded to Canada with the addition of the Vancouver Grizzlies and the Toronto Raptors. In 1996, the NBA created a women's league, the Women's National Basketball Association (WNBA).

### Lakers' and Spurs' dynasties (1998–2014)

In 1998, the NBA owners began a lockout that suspended all league business until a new labor agreement could be reached, which led to the season being shortened in half. The San Antonio Spurs won the championship at the end of the 1998–99 season, becoming the first former ABA team to win the NBA championship.

After the breakup of the Chicago Bulls championship roster in the summer of 1998, the Western Conference dominated much of the next two decades. The Los Angeles Lakers, coached by Phil Jackson, and the San Antonio Spurs, coached by Gregg Popovich, combined to make 13 Finals in 16 seasons, with 10 titles. Tim Duncan and David Robinson won the 1999 championship with the Spurs, and Shaquille O'Neal and Kobe Bryant started the 2000s with three consecutive championships for the Lakers. The Spurs reclaimed the title in 2003 against the Nets. In 2004, the Lakers returned to the Finals, only to lose in five games to the Detroit Pistons.

The league's image was marred by a violent incident between players and fans in a November 2004 game between the Indiana Pacers and Detroit Pistons. In response, players were suspended for a total of 146 games with $11 million total lost in salary, and the league tightened security and limited the sale of alcohol.

On May 19, 2005, Commissioner Stern testified before the U.S. House of Representatives' Committee on Government Reform about the NBA's actions to combat the use of steroids and other performance-enhancing drugs. The NBA started its drug-testing program in 1983 and substantially improved it in 1999. In the 1999–2000 season, all players were randomly tested during training camp, and all rookies were additionally tested three more times during the regular season. Of the nearly 4,200 tests for steroids and performance-enhancing drugs conducted over six seasons, only three players were confirmed positive for NBA's drug program, all were immediately suspended, and as of the time of the testimony, none were playing in the NBA.

After the Spurs won the championship again in 2005, the 2006 Finals featured two franchises making their inaugural Finals appearances. The Miami Heat, led by their star shooting guard, Dwyane Wade, and Shaquille O'Neal, who had been traded from the Lakers during summer 2004, won the series over the Dallas Mavericks. The Lakers/Spurs dominance continued in 2007 with a four-game sweep by the Spurs over the LeBron James-led Cleveland Cavaliers. The 2008 Finals saw a rematch of the league's highest profile rivalry, the Boston Celtics and Los Angeles Lakers, with the Celtics winning their 17th championship. The Lakers won back-to-back championships in 2009 and 2010, against the Orlando Magic and the Celtics. The 2010 NBA All-Star Game was held at Cowboys Stadium in front of the largest crowd ever, 108,713.

A referee lockout began on September 1, 2009, when the contract between the NBA and its referees expired. The first preseason games were played on October 1, 2009, and replacement referees from the WNBA and NBA Development League were used, the first time replacement referees had been used since the beginning of the 1995–96 season. The NBA and the regular referees reached a deal on October 23, 2009.

At the start of the 2010–11 season, free agents LeBron James and Chris Bosh signed with the Miami Heat, joining Dwyane Wade to form the "Big Three". The Heat dominated the league, reaching the Finals for four straight years. In 2011, they faced a re-match with the Dallas Mavericks but lost to the Dirk Nowitzki-led team. They won back-to-back titles in 2012 and 2013 against the Oklahoma City Thunder and the Spurs, and lost in a re-match with the Spurs in the 2014 Finals.

The 2011–12 season began with another lockout, the league's fourth. After the first few weeks of the season were canceled, the players and owners ratified a new collective bargaining agreement on December 8, 2011, setting up a shortened 66-game season. On February 1, 2014, commissioner David Stern retired after 30 years in the position, and was succeeded by his deputy, Adam Silver.

### Recent years (2014–present)

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After four seasons with the Miami Heat, LeBron James returned to the Cleveland Cavaliers for the 2014–15 season. He led the team to their second Finals appearance with the help of Kyrie Irving and Kevin Love. The Golden State Warriors defeated the Cavaliers in six games, led by the "Splash Brothers" Stephen Curry and Klay Thompson. The Cavaliers and the Warriors faced each other in the Finals a record four consecutive times. In the 2015–16 season, the Warriors finished the season 73–9, the best season record in NBA history. However, the Cavaliers overcame a 3–1 deficit in the Finals to win their first championship that season. In the 2016–17 season, the Warriors recruited free agent Kevin Durant and went on to win the 2017 and 2018 Finals against the Cavaliers.

After the departure of James in free agency in 2018, the Cavaliers' streak of playoff and Finals appearances ended. The Warriors returned for a fifth consecutive Finals appearance in 2019 but lost to the Toronto Raptors, who won their first championship after acquiring Kawhi Leonard in a trade.

The 2019–20 season was suspended indefinitely on March 11, 2020, due to the COVID-19 pandemic, after Utah Jazz center Rudy Gobert tested positive for the coronavirus. On June 4, 2020, the NBA Board of Governors voted to resume the season in a 22-team format with 8 seeding games per team and a regular playoffs format, with all games played in a "bubble" at Walt Disney's Disney World without any fans present.

This era also saw the continuous near year-over-year decline in NBA viewership. Between 2012 and 2019, the league lost 40 to 45 percent of its viewership. While some of it can be attributed to "cable-cutting", other professional leagues, like the NFL and MLB have retained stable viewership demographics. The opening game of the 2020 Finals between the Los Angeles Lakers and Miami Heat brought in only 7.41 million viewers to ABC, according to The Hollywood Reporter. That is reportedly the lowest viewership seen for the Finals since at least 1994, when total viewers began to be regularly recorded and is a 45 percent decline from game one between the Golden State Warriors and Toronto Raptors, which had 13.51 million viewers a year earlier. Some attribute this decline to the political stances the league and its players are taking, while others consider load management, the uneven talent distribution between the conferences and the cord-cutting of younger viewers as the main reason for the decline.

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