Happy 100th Birthday Chandler! Celebration City Hall Plaza Thursday, May 17, 2012 4:30 P.M. - 6:30 P.M. It's Chandler’s 100th birthday! Check out the new 50-year time Capsule and plaque dedication; local entertainment and special speakers; see our community Birthday Cards and try a piece of the winning Centennial Birthday Cakes! Enjoy history and art exhibits. The Mayor will recognize Chandler Centenarians and Birthday Cake Design contest winners. *This is an official Centennial Event and Chandler's Centennial Celebration Weekend!