The Keystone Squares dance club will host free square dance lessons from 8 to 10 p.m. Sept. 12 and 19 at the YWCA, 120 W. Cunningham St.

Information will be available about membership to the club. No prior dance experience is required.

For information, call 724-789-7471.

The dance department at Slippery Rock University will offer an 11-week series of Saturday dance classes beginning Sept 8.Classes are for children ages 3 to 12 and include creative dance, tap and jazz and hip-hop.Classes will meet in the McKay Education Building dance studio.Class size is limited. Call 724-738-2036 for more information.

The Community Health Challenge of Southwestern Pennsylvania will host a Smokestoppers course beginning Aug. 29 for those who wish to quit smoking.Sessions will be held at 7 p.m. Aug. 29, Sept. 4, 7, 11, 13 and 18 in classroom 6 at Butler Memorial Hospital, 911 E. Brady St.For information, call 724-283-9955.

The following pie festivals have been planned:<B>The Moniteau High School Pie Festival</B> will be held at 7 p.m. Aug. 29 at the high school football stadium. The event will feature an introduction to fall athletes, cheerleaders and the marching band. If weather is inclement, the event will be rescheduled for Aug. 30.<B>The Knoch High School Band Boosters Pie Festival</B> will be held at 7 p.m. Aug. 29 at the high school stadium. The event will feature a performance by the marching band and an introduction to the varsity football team and cheerleading squad. A rain date is scheduled Aug. 30.For details, call Glenna Bandi at 724-586-7056 or Amy O'Leary at 724-283-2344.

ROCHESTER — Burry's Church, 1835 Route 68, will host a family festival from 4:30 to 7:30 p.m. Saturday.The event will include games and activities for children, a sing-along and food.

BROOKVILLE, Jefferson County — An Antique Firearms and Indian Artifacts Show will be held from 9 a.m. to 4 p.m. Saturday at the Jefferson County Fairgrounds, just north of Exit 81 on Interstate 80.The show will feature exhibits and demonstrations by the Jefferson County Historical Society, the Society for Pennsylvania Archaeology, the World Atlatl Association and the Jefferson County Long Rifle Association.For information, call 814-849-0077 or e-mail jchc@alltell.net.Notices, in writing, of festivals, fundraising events, newly elected officers and other news from clubs and nonprofit groups should be sent to the Focus department one week in advance of the event. Items should include the name and phone number of the person providing the information and be sent to Focus, Butler Eagle, P.O. Box 271, Butler, PA 16003.