Tuesday will mark the 17th anniversary of the terrorist attacks of September 11, 2001. Observances will take place throughout Portage and Summit counties.

• "The CIA and the 9/11 Generation: Reflections on Why 9/11 Matters Today" will be the topic of retired CIA senior executive Chuck Banks’ presentation Tuesday at 6 p.m. in Room 340 of Franklin Hall at Kent State University. The evening discussion is open to the entire Kent State community.

• The city of Streetsboro will host its annual 9/11 service at the memorial outside the fire station at 9184 Route 14. The service will begin around 9:50 a.m. Tuesday and last 20 to 30 minutes.

• Tallmadge will celebrate Patriot Day in what has become the community’s traditional fashion, the 9/11 Remembrance Candle Lighting, with a moving display of luminaria candles that will be placed along the sidewalk "spokes" of the historic Tallmadge Circle.

The Tallmadge Circle will become aglow in memory of the firefighters, police officers, military personnel and civilians at the World Trade Center, Pentagon and in Shanksville, Pa., who lost their lives on September 11, 2001. The 24-hour candlelight vigil begins with an invocation at 8 a.m. on Tuesday, then volunteers light the candles. Exactly 2,976 candles will line the sidewalks of the Tallmadge Circle Park, including: 343 red candles for fire department personnel; 60 blue candles for police personnel; 55 green candles for military personnel; and 2,518 white candles for civilians.

• The city of Stow will have its 9/11 Memorial Ceremony on Tuesday at 4:30 p.m. at Stow City Hall at the 9/11 Memorial Garden. Stow City Council President Matt Riehl will speak. Pastor Dan Page of the Cornerston Community Church will offer prayer and music. Presentation of the Memorial Wreath will be made by representatives from the police and fire departments.

• Northfield Village will place American flags along Route 8 and fly all village flags at half staff on Tuesday.