1. Independence Hall Groundbreaking:
On November 15, 1732, the groundbreaking ceremony for Independence Hall took place. The iconic building would eventually become known as the birthplace of American independence, hosting the Continental Congress and being the location where both the Declaration of Independence and the Constitution were signed.

2. Benjamin Franklin as Postmaster:
In 1753, Benjamin Franklin became the postmaster of the city of Philadelphia on November 15th. Franklin revolutionized the postal system with innovations such as the lightning rod and the practice of delivering mail more often passing through an area.

3. The Gettysburg Address:
One of the most famous speeches in American history was given on November 15, 1863, by President Abraham Lincoln on the battlefield at Gettysburg, Pennsylvania. Delivering his address after the deadliest battle of the Civil War, Lincoln's words have since become entwined with the country's legacy.

4. Lawrence "Larry" Marshall:
In 1968, Lawrence "Larry" Marshall was the first Black person to be elected to the Pennsylvania House of Representatives. He represented North Philadelphia's 195th district and campaigned around topics like workers' rights, educational opportunities, and ending the Vietnam War.

5. Justice Seamus McCaffery:
Seamus P. McCaffery became the first Philadelphia judge in nearly 30 years to become Supreme Court Justice, sworn in on November 15, 2010. With 20 years of experience on bench, McCaffery also served as an Army reservist and later left the state Supreme Court in 2014 amid controversy.