– The Big Butler Fair, now celebrating its 166th anniversary, opens Friday and continues over the Fourth of July weekend through the end of next week. It is the largest agricultural fair in Western Pennsylvania and draws over 100,000 people.

– Zelienople’s Patriotic Porch Tour starts Friday, featuring spirit and patriotism. The Zelienople Historical Society will judge the best decorated porches. The event continues through Tuesday.

– Live music and fireworks show will be held at the Slippery Rock Golf Club & Events Center, 160 Ralston Road, Slippery Rock. Music begins at 6 p.m. Fireworks slated for approximately 9:30 p.m. The event is open to the public. Bring blankets and chairs.

– The Traveling Tomb of the Unknown Soldier will be brought from New Castle to Four Corners Park in Zelienople.

There is a police and motorcycle escort planned to bring the tomb into Zelienople. The escort will start very close to 6 p.m. at the old Sears parking lot in Union Township in Lawrence County.

An opening ceremony will be held Saturday and the tomb will remain in the park until Tuesday.

– The Model Train Club of Zelienople will have a patriot-themed model train exhibition complete with an animated Tomb of the Unknown Soldier. The exhibition hours are noon to 4 p.m. Saturday, Sunday and Monday at the Masonic Building, 330 E. Beaver St., Zelienople.

– The opening ceremony for the Traveling Tomb will begin at 10 a.m. Saturday at Four Corners Park in Zelienople. It will include a performance by the Beaver County Brass Band and a flyover (weather permitting) by two World War II-era reconnaissance planes.

– Slippery Rock’s third annual Independence Day celebration will run from 1 to 10 p.m. Saturday on a blocked off South Main Street in the borough.

There will be food vendors, face painting, a caricaturist’s booth and music.

A fireworks show will begin at 9:45 p.m. launched from the Slippery Rock Parks and Recreation.

– Evans City’s EDCO Park pool, 154 W. Main St., will have a night swim beginning at 6 p.m. with fireworks to be set off at dusk.

– New Life Christian Ministries will stage a fireworks display at dusk at the Saxonburg Volunteer Fire Company carnival grounds, 210 Horne Ave., Saxonburg.

There will be music and activities. There will be a shuttle bus running from the New Life Christian Ministries parking lot, 139 Knoch Road, to the carnival grounds beginning at 7:30 p.m.

– Harrisville will have a Fourth of July parade beginning at 11 a.m. Monday at the fire hall, down Route 8 and then back to the community park.

There will be music and food trucks in the park all day and a fireworks display at dusk.

– The Zelienople Fourth of July parade, organized by the Zelienople Rotary Club in a longstanding tradition, will start at 11 a.m. on East Grandview at High Street.

The borough will sponsor fireworks at dusk. The Pittsburgh Philharmonic Orchestra will play in the community park prior to the fireworks show.

– Mars’ Fourth of July activities will run from noon to 4 p.m. Monday centered around the flying saucer sculpture downtown.

A 3 p.m. parade in Mars caps off a day of fun and food trucks in the downtown area.

There will be a fireworks display at dusk.

– Adoring Christ Through Music (ACTS) will present “Sweet Land of Liberty,” a patriotic cantata, at 2 p.m. at Mt. Chestnut Presbyterian Church, 727 W. Old Route 422.

– Fireworks will follow the 6:30 p.m. Butler Blue Sox game against the Iron Bucks Monday at Michelle Krill Memorial Field at Pullman Park. Fireworks are planned for 9 p.m.