BLOCKVILLE - The Harmony Historical Society will meet Tuesday, at 6 p.m. for a dinner meeting. Attendees are asked to bring a dish to share and their own table service. Coffee and a cold beverage will be provided. Following dinner, Norman Carlson, local resident and historian, will discuss "The Dark Day - September 24, 1950." The public is invited to attend. Recently, the society met for a business meeting. Thirteen members and one guest attended the meeting. President Bill Schneider opened the meeting by leading the pledge to the American flag. The minutes from the previous business meeting and the treasurer's report were read and accepted.