The New London County Historical Society will present William Ryczek speaking on “When Base Ball First Got Organized” at 2 p.m. Sunday at the Shaw Mansion, Bank Street.

Ryczek, a member of the Middletown Mansfields Base Ball Club, is the author of “When Johnny Came Sliding Home: The Post-Civil War Baseball Boom, 1865-1870” and “Blackguards and Red Stockings: A History of Baseball’s National Association, 1871-1875.”

Admission is free for members and $5 for nonmembers. For more information, call 443-1209.

“Baseball Lecture Planned” – The Day