1. On June 5, 1783, the Pennsylvania Evening Post became the first newspaper in the United States to be published daily. Before this, most newspapers were published weekly or monthly.

2. In 1844, on June 5, Philadelphia-based inventor Samuel F.B. Morse sent the first public telegraph message from the U.S. Capitol building in Washington, D.C. to Baltimore, Maryland. The message was "What hath God wrought?".

3. On June 5, 1884, Civil War General John F. Hartranft was inaugurated as the 16th Governor of Pennsylvania. Hartranft was known for his bravery during the war and for his efforts in restoring order during the tense period following the 1877 railroad strike.

4. In 1963, on June 5, President John F. Kennedy delivered a speech at Independence Hall in Philadelphia, where he spoke about the importance of preserving the nation's historical landmarks and the need to maintain a balance between progress and conservation.

5. On June 5, 1981, Bethlehem Steel Corporation, one of the largest steel producers in the world, filed for bankruptcy. The company had been a major employer in Pennsylvania for many years and its bankruptcy had a significant impact on the region's economy.