In remembrance of the fond memories of its departed ball club and the many historical events which took place in the ballpark they called home, a plaque is dedicated behind home plate of the former Braves Field. Done on behalf of the fans of New England by Boston University, the Society for American Baseball Research, and the New England Sports Museum, the tablet includes references to the three World Series and one All-Star Game played there, as well as the longest game ever to take place in major league history.

On August 6, 1988 — In remembrance of the fond memories of its departed ball club and the many historical events which took place in the ballpark they called home, a plaque is dedicated behind home plate of the former Braves Field. Done on behalf of the fans of New England by Boston University, the Society for American Baseball Research, and the New England Sports Museum, the tablet includes references to the three World Series and one All-Star Game played there, as well as the longest game ever to take place in major league history.

Source:
Baseball Reference August 6
National Pastime
Retro Sheet
Hall of Fame
SABR Games Project
Replay The Game