1. In 1736, the city of Baltimore was founded by the British colonial government. The city was named after Cecil Calvert, 2nd Baron Baltimore, who was the proprietor of the Maryland colony.

2. On May 29, 1848, the first telegraph line was completed between Washington, D.C. and Baltimore, Maryland. The line was established by Samuel Morse, who invented the Morse code, a system of communication using dots and dashes.

3. In 1886, the Johns Hopkins University in Baltimore, Maryland was established. The university was named after its benefactor, philanthropist Johns Hopkins, and has been a leading institution of higher education and research in the United States.

4. On May 29, 1917, the United States Supreme Court upheld the constitutionality of a Maryland law that required compulsory education for children between the ages of 8 and 14. The case, called Pearce v. Society of Sisters, was a landmark decision that affirmed the right of parents to choose how to educate their children.

5. In 1961, the Chesapeake Bay Bridge, a 4.3-mile bridge that spans the Chesapeake Bay between Maryland’s Eastern and Western shores, was dedicated. The bridge has become a major transportation route connecting Maryland’s major cities and has been recognized as one of the engineering marvels of the world.