1. On June 27, 1897, the Albert A. Michelson Memorial Fund was founded in Pennsylvania. Michelson was an American physicist who became the first American to receive the Nobel Prize in Physics in 1907 for his work on measuring the speed of light. The fund supports scientific research and education.

2. In 1923, Hershey Park, located in Hershey, Pennsylvania, opened to the public on June 27. The park is a popular destination for amusement park rides and chocolate-themed attractions.

3. On June 27, 1950, Pennsylvania State University officially became a university when the governor signed legislation changing the name from Pennsylvania State College to Pennsylvania State University.

4. The Liberty Bell, an iconic symbol of independence and freedom, made its last public appearance on June 27, 1846, when it was rung at a celebration of George Washington's birthday in Independence Square in Philadelphia. The bell suffered a crack during the event and has not been rung since.

5. The Erie Canal, a historic transportation route that connected the Great Lakes to the Atlantic Ocean, opened on June 27, 1825. The construction of the canal played a major role in the growth of industry and commerce in Pennsylvania and the United States as a whole.