PITTSBURGH'S 250TH: www.imaginepittsburgh.com or 412-281-1890.
May 11-18: Pittsburgh's 250th VisitPittsburgh National Tourism Week.
June 24-29: The Tour of Pennsylvania bike ride begins in Philadelphia and ends in Pittsburgh.
Aug. 2: Pittsburgh 250's Reunion Weekend.
Oct. 4: The Pittsburgh 250 and PNC Black & Gold Bike Ride on the Great Allegheny Trail.
Oct. 9-26: The Cultural District hosts the Pittsburgh 250 Festival of Firsts.
Nov. 25: 250th Anniversary of Pittsburgh's founding.