August 8, 1995 - The NBA players and the owners reach an agreement.
September 12, 1995 - The players accept the terms of the agreement, by a vote of 226-134.
September 13, 1995 - Representatives of the players' union approves the agreement in a 25-2 vote.
September 15, 1995 - Team owners ratify the contract in a 24-5 vote.
September 18, 1995 - The NBA owners and players' union agree to a six-year, $5 billion collective bargaining agreement.
March 23, 1998 - The NBA owners vote to reopen the 1995 collective bargaining agreement, 27 to 2.
July 1, 1998 - The NBA owners lockout the players.
January 6, 1999 - The NBA players and owners reach a tentative agreement.
January 6, 1999 - The NBA players consent to the terms of the agreement by a vote of 179-5.
January 7, 1999 - The lockout officially ends when all 29 NBA owners unanimously accept the agreement.
June 30, 2011 - The current collective bargaining agreement expires.
July 1, 2011 - The NBA begins a collective lockout of its players. The lockout will continue until a new collective bargaining agreement is reached with the National Basketball Players Association.
August 2, 2011 - The NBA files two claims against the National Basketball Players Association: an unfair labor practice charge before the National Labor Relations Board and a lawsuit in New York federal district court.
October 18, 2011 - NBA players and owners meet with federal mediator George Cohen.
November 14, 2011 - The NBA players reject the league's latest labor proposal and announce that the union will disband and an antitrust lawsuit will be filed against the NBA.
November 15, 2011 - The NBA announces that all games through December 15, a total of 324 games, are canceled. Hours later, NBA players including Carmelo Anthony and Kevin Durant file class-action antitrust lawsuits against the NBA in at least two states.
November 26, 2011 - NBA players and owners reach a tentative agreement, effectively ending the lockout. The NBA season is scheduled to begin on December 25, 2011.
December 8, 2011 - The lockout officially ends when NBA players and owners ratify a 10-year collective bargaining agreement.
National Hockey League (NHL) Lockouts & Strikes: There have been four work stoppages in the NHL since 1992, as a result of 1 strike and 3 lockouts.
2004-2005 - First time that a North American professional sports league loses an entire season due to a labor dispute.
Timeline of NHL Lockouts & Strikes: April 1992 - NHL players go on strike, resulting in the postponement of 30 games.
October 1, 1994-January 11, 1995 - 468 games are canceled as a result of the 103-day lockout.
September 15, 2004 - The existing collective bargaining agreement expires at midnight EST.
September 16, 2004 - The NHL owners lockout the players.
February 16, 2005 - 2004-2005 hockey season is canceled due to lockout.