1. The Pennsylvania Memorial at Gettysburg National Military Park was dedicated on May 29, 1910. The memorial includes a 110-foot tall pillar topped by a statue of victory and several bronze tablets inscribed with the names of Pennsylvania soldiers who fought in the battle of Gettysburg.

2. On May 29, 1922, the Schuylkill River Tunnel in Philadelphia was opened to traffic. The tunnel, which runs beneath the Schuylkill River, provides a vital transportation link between Center City and West Philadelphia.

3. Art Rooney, the founder of the Pittsburgh Steelers, was born on May 29, 1901, in Coulterville, Pennsylvania. Rooney owned the team from its founding in 1933 until his death in 1988 and was inducted into the Pro Football Hall of Fame in 1964.

4. The Delaware River bridge, now known as the Benjamin Franklin Bridge, was dedicated on May 29, 1926. The bridge, which spans the Delaware River between Philadelphia and Camden, New Jersey, was the longest suspension bridge in the world at the time of its opening.

5. May 29, 1942, was declared "Sacrifice Day" in Pennsylvania in support of the war effort. The day was marked by a statewide appeal for donations of money and scrap metal to help with the production of weapons and other supplies for the military.