AMBRIDGE — The Old Economy Village, 270 16th St., will be open for free Saturday, coinciding with the 44th annual Nationality Days Parade.

For information, call Sarah Goodman, museum educator, at 724-266-4500, Ext. 110.

BUTLER TWP — Dr. Paul Eismann will administer rabies vaccinations at the rabies clinic from 10 a.m. to 2 p.m. Saturday at 148 Rockdale Road, Butler.Dogs should be on a leash and cats should be in carriers.Proceeds will benefit Hope House Ministries.For information, call 724-352-8792 or 724-724-1233.For verification, call either of the above numbers or Ann Patterson at 724-984-0094.

MUDDYCREEK TWP — The Great Moraine Auction will start at 9 a.m. Saturday at McDanel's Launch in the North Shore of Moraine State Park.All proceeds will benefit the Moraine Preservation Fund.Donations are now being accepted.For information, call Kimberly Pinkerton, assistant parks and recreation director, at 724-368-9185.

Seniors for Safe Driving will hold highway education programs for seniors 55 and older.Successful completion of the program will provide participants a 5 percent discount on automobile insurance premiums for three years.The following programs are certified by the state Department of Transportation. Those who have never attended a program must attend a two-day program.n 10 a.m. to 2 p.m., Thursday and Friday, Northern Tier Regional Library, 4015 Dickey Road, Gibsonia• 9 a.m. to 1 p.m., May 21, Passavant Retirement Community, 401 S. Main St., Zelienople• 8 a.m. to noon, June 10, Troy Alan Chevrolet, 217 Grove City Road, Slippery Rock• 8:30 a.m. to 12:30 p.m., June 15, St. John's Specialty Care Center, 500 Whittenberg Way, Mars• 1:30 to 5:30 p.m., June 15, Trinity Living Center, 400 Hillcrest Ave., Grove City• 5:30 to 9:30 p.m., June 18, Cranberry Senior Center (municipal building), Rochester Road, Cranberry Township• 8:30 a.m. to 12:30 p.m., June 26, Butler Memorial Hospital, 911 E. Brady St.To register, call 800-559-4880 or visit seniorsforsafedriving.com.

SAXONBURG — The Saxonburg Woman's Club will hold its annual rummage sale from 9 a.m. to 3 p.m. Friday and 9 a.m. to noon Saturday at the Saxonburg Library community room.For information, call Lillian Bachman at 724-352-1809.

Slippery Rock Parks and Recreation will host composting classes from 6:30 to 8 p.m. May 20 and from 10 to 11:30 a.m. May 23 at Slippery Rock Park. Bins will be provided.For information, call 724-794-8180.