Date: April 1-4, 2012

Location: Baltimore, Maryland

Description: More than 1,000 people are expected to attend the 2012 National Main Streets Conference, sponsored by the National Trust for Historic Preservation. The conference will focus on developing downtown areas through historic preservation, as well as green strategies to help recruit, retain, strengthen, support and showcase local businesses.

Learn more: http://www.preservationnation.org/main-street/training/conference/2012baltimore/