Butler County is a historic and picturesque county located in the western part of Pennsylvania, USA. The county was established in 1800 and named after General Richard Butler, a revolutionary war hero. The county has an interesting history that dates back to the revolutionary era, with numerous historic sites and events that make it a fascinating place to explore. Here are seven interesting facts about Butler County in Pennsylvania's history:

1. The Harmony Society

The Harmony Society was a Christian theosophy and pietism society founded by Johann Georg Rapp in Germany. The society migrated to Butler County in 1805 and founded the town of Harmony. The society practiced communal living and shared everything without any form of private ownership, with the members working together for the common good of all. Although the society disbanded in 1905, the town of Harmony still retains its traditional German architecture and is home to many historic sites and buildings.

2. Saxonburg

The town of Saxonburg was named after John A. Roebling, a German immigrant who is famous for his construction of the Brooklyn Bridge. Roebling purchased land in Butler County and founded the town of Saxonburg in honor of his Saxon homeland. The town is home to many historic buildings like the Roebling Museum and the Saxonburg Museum.

3. Industrial Revolution

Butler County played a significant role in the industrial revolution in the United States. In the 19th century, the county was home to numerous iron and steel mills that produced everything from nails to rails. The county's coal mines and textile mills also played a vital role in the development of the region as a major industrial hub.

4. The Zelienople Historic District

The Zelienople Historic District is a beautiful and well-preserved collection of nearly 100 Victorian-era buildings along Main Street in Zelienople. The district has been recognized as a National Historic District and has numerous galleries, antique shops, and restaurants that are perfect for an afternoon of exploration.

5. The Tornado of 1927

On May 31, 1927, a massive tornado hit Butler County, destroying homes, churches, and businesses. The tornado was one of the deadliest in Pennsylvania's history, with 16 people killed, over 200 injured, and thousands left homeless. The tornado is still remembered as one of the county's worst natural disasters.

6. The Old Stone House

The Old Stone House is a historic landmark in Butler County that was built in 1822 and is one of the county's oldest buildings. The house was originally a tavern and stagecoach stop but was later used as a post office and general store. Today, the house has been restored and is open to the public for tours.

7. The Butler County Fair

The Butler County Fair is an annual event held in August that celebrates the county's agricultural heritage. The fair features livestock shows, agricultural exhibits, amusement rides, games, and a wide variety of food vendors. The fair is a favorite summer tradition for locals and visitors alike.

In conclusion, Butler County is a beautiful county with a rich history that is worth exploring. From its founding by the Harmony Society to its role in the industrial revolution, from Saxonburg to Zelienople, from the tornado of 1927 to the Old Stone House, and from the county fair to the many museums and historic sites, Butler County has much to offer both locals and tourists.