1. In 1681, King Charles II granted William Penn a charter for land in America that would later become Pennsylvania. This charter was issued on March 4th, making it a significant date in the formation of the Commonwealth.

2. On March 4, 1778, the Continental Congress ratified the Treaty of Amity and Commerce with France, which recognized the United States as an independent nation and established a strong alliance between the two countries. This treaty helped to secure much-needed support for the Continental Army during the Revolutionary War.

3. March 4, 1837, was the date of the inauguration of Pennsylvania's first governor under the new state constitution, Joseph Ritner. Ritner was a staunch opponent of corruption and patronage in government and fought to advance the interests of working-class Pennsylvanians.

4. On March 4, 1913, Woodrow Wilson was inaugurated as the 28th President of the United States. Wilson was born in Virginia but spent much of his early life in Pennsylvania, where he attended college at Princeton University and later served as governor of New Jersey.

5. March 4, 1965, marked the beginning of the Selma to Montgomery March, a pivotal moment in the American civil rights movement. Pennsylvanians played a significant role in this march, with several civil rights organizations and individual activists from the state participating in the effort to secure equal voting rights for African Americans.