Butler High School Class of 1969 will hold a 40th reunion weekend June 26 and 27.

Class members and the public are invited to a B.Y.O.B Tumble Inn from 8 to 11 p.m. June 26 at the Cubs Hall, 113 S. McKean St.

For the June 27 reunion dinner and dance reservations, call Eileen Iannotti Grenci at 724-287-0392 by Friday.

WEST DEER TWP — La Casa Narcisi Winery at 4578 Gibsonia Road will host a fundraising event for Pittsburgh Gateways from 1 to 7 p.m. Saturday.For Art's Sake will include a dozen bands, art and craft fair, silent art auction, Chinese auction, belly dancers and activities for children.Donations of art supplies, musical instruments and cash are suggested.Pittsburgh Gateways will get 5 percent of the night's proceeds for its program that matches young artists and musicians with professionals.For information, visit www.bringingeverysoultogether.org.

BUTLER TWP — The Butler County Parks and Recreation Department will start its outdoor discovery program with Animal Traces at 7 p.m. Thursday at the Carousel Shelter in Alameda Park.A Moraine State Park environmental specialist will be at the interactive program to help participants discover why animals live there, how they adapt to survive and what evidence they leave behind.For information, call the Butler Country Parks and Recreation Department at 724-284-5383.

The Butler County Public Libraries will hold happy hour from 5 to 6 p.m. Thursdays beginning this month, during which patrons can return overdue items with no fines.Since each library sets its own hours, if the library is closed on Thursdays during that time, returns to its book drop for that night will be fine-free.

BUTLER TWP — Alameda Park will hold a moonlight swim and dive-in movie from 8:30 p.m. to 10:30 p.m. Fridays during the summer.For information, call the Butler Country Parks and Recreation Department at 724-284-5383.

SAXONBURG — Craft and antique vendors are being sought for a new collectible marketplace from June through October.The marketplace will be open Tuesday, July 28, Aug. 25 and Sept. 22.Market vendors can register by calling Paula Navilliat at 724-352-6225.

GIBSONIA — A treasure sale to benefit St. Barnabas Charities' Pennies for Patients campaign will be held from 8 a.m. to 4 p.m. Friday on the lawn at The Washington Place at St. Barnabas, 5847 Meridian Road.Home accents, small appliances, furniture, kitchenware, children's items, and garden accessories will be available.Vendor spaces are available.For more information, call 724-443-0700, Ext. 5328.