Today in Pennsylvania history. March 4th.

On March 4th in Pennsylvania history, there might be various significant events that occurred throughout the years. Here are a few possibilities:

1. 1681: King Charles II of England granted a charter to William Penn, establishing Pennsylvania as a colony. This charter was significant as it laid the foundation for the establishment of Philadelphia and the principles of religious freedom and representative government in the colony.

2. 1861: Abraham Lincoln was inaugurated as the 16th President of the United States. While not directly related to Pennsylvania, this event had significant implications for the state as it marked the beginning of the American Civil War, during which Pennsylvania played a crucial role.

3. 1913: The Liberty Bell arrived in Philadelphia after being transported from its former location in the Pennsylvania State House (now Independence Hall) to the Panama-Pacific International Exposition in San Francisco. The bell's return to Philadelphia marked a significant moment in the city's history and its association with American independence.

4. 1979: Three Mile Island nuclear power plant near Harrisburg, Pennsylvania, experienced a partial meltdown of one of its reactors, leading to a significant nuclear accident. This event had far-reaching consequences for nuclear regulation and safety in the United States and had a lasting impact on public perception of nuclear energy.

These are just a few examples of events that have occurred in Pennsylvania history on March 4th. Depending on the year, there could be many more noteworthy events to explore.