April 9-19 -- IIHF Under 18 World Championship, Fargo, N.D., and Moorhead, Minn.
April 12 -- Last day of 2008-09 regular season.
April 15 -- Stanley Cup Playoffs begin.
April 24-May 10 -- IIHF World Championship, Switzerland.
May 25-30 -- NHL Combine, Toronto.
June 15 -- Last possible day for Stanley Cup finals.
June 18 -- NHL awards show at Las Vegas.
June 26-27 -- NHL draft, Montreal.
July 1 -- Free agency signing period begins.
July 5 -- Deadline for player-elected salary arbitration.
July 6 -- Deadline for club-elected salary arbitration.
July 10 -- Deadline for eligible players to elect Group 5 free agency.
July 20-Aug. 4 -- Salary arbitration hearings held.
Aug. 6 -- Deadline for salary arbitration decisions to be rendered.