1. 1790: Pennsylvania Becomes the Second State to Ratify the U.S. Constitution

On December 1, 1790, Pennsylvania became the second state to officially ratify the U.S. Constitution. The state's decision to approve the country's founding document was a major step in securing its legitimacy and unity.

2. 1842: The Pennsylvania Coal Miner Strike Begins

On December 1, 1842, thousands of coal miners in Pennsylvania went on strike in protest of low pay and dangerous working conditions. The strike was ultimately unsuccessful, but it inspired future labor movements and helped pave the way for better workplace safety regulations.

3. 1862: The Battle of Little Blue River is Fought

The Battle of Little Blue River was a small but significant engagement in the U.S. Civil War. On December 1, 1862, Union forces led by General James G. Blunt repelled a Confederate attack led by General John S. Marmaduke. The Union victory helped secure Missouri for the North and prevented Confederate forces from moving farther into the state.

4. 1955: The Montgomery Bus Boycott Begins

On December 1, 1955, Rosa Parks famously refused to give up her seat on a Montgomery, Alabama bus, sparking a boycott of the city's public transit system. Although Parks was not from Pennsylvania, the boycott had a profound impact on the Civil Rights Movement and inspired activists throughout the country.

5. 2017: The Keystone State Games Celebrate 35 Years

For more than three decades, the Keystone State Games have brought together athletes from across Pennsylvania to compete in a variety of sports. On December 1, 2017, the organization celebrated its 35th anniversary with a ceremony held in Hershey, Pennsylvania. The event recognized the accomplishments of past champions and highlighted the Games' ongoing commitment to promoting healthy living and community engagement.