1. The Treaty of Lancaster was signed on February 7, 1744, between the British colonists and the Six Nations of the Iroquois Confederacy. The treaty established peace and trade relations between the two parties.

2. In 1812, February 7 marked the beginning of the construction of the Schuylkill Canal, which connected the coal fields in the mountains of Pennsylvania to the markets in Philadelphia. The canal played a significant role in the state's economy during the 19th century.

3. On February 7, 1914, acclaimed journalist and author William T. Stead was among the 1,500 passengers who set sail on the Titanic's sister ship, the RMS Baltic, from Liverpool to New York. Stead perished in the sinking of the ship on April 15, 1912.

4. In 1940, February 7 marked the opening of the first McDonald's restaurant in the United States. The fast-food chain, which originated in San Bernardino, California, has since expanded to become one of the largest in the world.

5. February 7, 1971, saw the dedication of the Johnstown Flood National Memorial in South Fork, Pennsylvania. The memorial commemorates the devastating flood that occurred in 1889 when a dam in the South Fork Fishing and Hunting Club failed, causing massive destruction and loss of life downstream in the city of Johnstown.