25 yrs. After Crack: The Effect of Crack on Boston's Black Community Sat. 4/9 Posted by Blackstonian Date: March 19, 2011 in: Events, News, Youth Leave a comment 20 Views 25 Years After Crack;The Effect of Crack Cocaine on Boston’s Black Community(1986-2011) Sat. April 9th, 20119am – 4pmHibernian Hall 184 Dudley St. Roxbury (Dudley Sq.)sponsored by: Greatest Minds, National Black College Alliance