A look at 30 of the biggest events to unfold during
October 1986—The NBA's board of governors tweaks the draft lottery so that it determines the order of selection for only the first three teams. The rest of the non-playoff teams pick in inverse order of their regular-season records.
November 1988—The expansion
October 1989—The NBA's board of governors adopts a weighted 11-team draft lottery, starting with the 1990 draft, in which the team that finishes with the worst record has the highest odds of obtaining the top pick.
November 1989—The expansion
October 1995—The board of governors increases the number of teams participating in the draft lottery from 11 to 13 to account for expansion teams Toronto and Vancouver, who open their first seasons.
October 1997—Violet Palmer and Dee Kantner become the first female referees in any major U.S. professional sport.
December 1997—The league suspends
July 1998—The NBA locks out its players for nearly seven months until a new collective bargaining agreement is reached, resulting in a shortened 50-game 1998-99 season.
October 1999—Officials begin enforcing a ban on hand-checking and forearm-checking above the free-throw line, allowing some of the game's top scorers to become even more prolific.
January 2002—The NBA fines
July 2002—The league agrees to use instant replay to determine whether shots at the end of quarters and overtimes should count and whether fouls had been called before time expired.
October 2002—The Hornets open their first season in New Orleans after having moved from Charlotte.
May 2004—The draft lottery swells to 14 teams—its current number—to account for the expansion Charlotte Bobcats.
November 2004—The league suspends nine players a combined 146 games for a brawl between fans and players during a game between the
June 2005—As part of its new collective bargaining agreement, the league stipulates that players cannot be drafted until a year after their high school class graduates and must be 19 years old, creating a new breed of so-called one-and-done college players.
October 2005—Stern announces the implementation of a dress code for players, forcing them to wear business or conservative attire to and from arenas and while representing their teams.
December 2006—Stern acknowledges the introduction of a new microfiber composite ball two months earlier was a mistake and says teams will go back to using the traditional leather ball on Jan. 1.
August 2007—Former NBA referee Tim Donaghy pleads guilty to two federal charges related to allegations that he bet on games he officiated the previous two seasons. He is sentenced to 15 months in federal prison.
January 2010—The league suspends the
July 2011—The league locks out its players for the next five months until a new collective bargaining agreement is reached, resulting in a compacted 66-game schedule for the 2011-12 season.
December 2011—Acting as de facto owner of the league-controlled New Orleans Hornets, Stern vetoes a trade that would have sent star point guard
November 2012—The Nets open their first season in Brooklyn after having moved from New Jersey.