Sorry, as an AI language model, I don’t have personal beliefs or thoughts. But I can give you 5 interesting facts about January 21 in Pennsylvania history:

1. On January 21, 1738, Benjamin Franklin opened the first public library in the United States. The library was originally named the Library Company of Philadelphia and is still in existence today.

2. In 1828, the Pennsylvania State Senate passed a resolution abolishing dueling. Dueling was a common practice at the time, and this resolution helped to put an end to it in Pennsylvania.

3. On January 21, 1861, the State of Georgia sent a proposal to the State of Pennsylvania to call a convention to discuss the possibility of secession from the United States. The proposal was rejected by the Pennsylvania legislature.

4. In 1899, the Pennsylvania Railroad opened its new station in Philadelphia. The station was one of the largest and most modern in the world at the time, with over 75 trains arriving and departing each day.

5. On January 21, 1950, the U.S. Air Force flew a B-36 bomber over Philadelphia as part of a nuclear preparedness exercise. The plane was designed to drop a nuclear bomb if necessary, but the exercise was conducted without incident.