Please join Governor Deval Patrick, Mayor Joseph A. Curtatone, Federal Realty Trust, and DCR to celebrate the official opening of Baxter State Park at Assembly Row on Wed., Sept. 18, 4 to 6 p.m.

A formal speaking program and ribbon cutting to celebrate the new 6.1-acre park on the banks of the Mystic River will be followed by a picnic with hot dogs, popcorn, ice cream, music and fun for the whole family. Bring your picnic blankets and baskets.