Tennessee Valley Brewing Company is celebrating its one-year anniversary and giving back to the community with an Anniversary Benefit for Big Brothers Big Sisters of Clarksville. The brewery will have an outside party from 1 to 10 p.m. Saturday, June 30 with games, music, food and of course BEER! Each attendee will receive one free beer, a hot dog/chips meal and entry to the part. The first 300 people to purchase tickets will also receive an anniversary pint glass. Tickets are $20 in advance; $25 at the door.