Events with tag - Pennsylvania History

December 19, 1777

Valley Forge Winter Encampment

From December 1777 to June 1778, General George Washington's Continental Army endured a brutal winter at Valley Forge, Pennsylvania. Despite severe conditions and limited supplies, this six-month period transformed a scattered militia into a disciplined military force through Baron von Steuben's training program.

August 27, 1859

First Commercial Oil Well in America

Edwin Drake struck oil near Titusville, Pennsylvania, at a depth of 69.5 feet, producing 25 barrels of crude oil per day. This groundbreaking discovery launched the modern petroleum industry and transformed America's energy landscape.

September 6, 1869

Avondale Mine Disaster

The Avondale Mine Disaster of 1869 was America's first major coal mining catastrophe, claiming 110 lives when a fire in the only shaft entrance trapped miners underground. This tragic event led to the first mining safety laws in Pennsylvania and revolutionized industrial safety standards.