1. The National Memorial Arch in Valley Forge National Historical Park was dedicated on May 28, 1917. The arch stands as a tribute to the soldiers who fought and sacrificed during the Revolutionary War.

2. On May 28, 1937, the Bellefonte Central Railroad suffered a tragic accident that resulted in the deaths of five people. The train derailed near Milesburg, Pennsylvania, after heavy rain caused a section of the tracks to wash out.

3. In 1942, the Pennsylvania Turnpike opened to traffic on May 28. The superhighway spanned 160 miles and connected the state's major cities. At the time, it was the longest toll road in the world.

4. May 28, 1965, saw the dedication of the Liberty Bell Pavilion in Philadelphia. The pavilion was built to house the iconic cracked bell and provide a new, secure home for visitors to view the historic artifact.

5. The Pennsylvania Lottery began on May 28, 1972, with the first drawing held that evening. The lottery has since generated more than $31 billion in funding for state programs, including senior citizen centers, property tax relief, and education initiatives.