1. In 1778, during the American Revolutionary War, the Maryland Line played a crucial role in the Battle of Crooked Billet. The Maryland soldiers, including Lt. Col. John Eager Howard, fought bravely against British forces but suffered heavy casualties.

2. On April 24, 1865, the Maryland Senate passed a bill to establish the Johns Hopkins University. The university would go on to become one of the top research institutions in the world and pave the way for many advances in medicine, science, and technology.

3. In 1951, the Supreme Court of the United States upheld the conviction of Julius and Ethel Rosenberg for espionage. The Rosenbergs, who were born and raised in New York City but had ties to Baltimore, were accused of providing nuclear secrets to the Soviet Union during the Cold War.

4. On April 24, 1972, the Maryland Senate passed a bill to make English the official language of the state. The controversial bill sparked debate about language rights and discrimination against non-native speakers.

5. In 1990, the Maryland Zoo in Baltimore welcomed a new addition to its family: a male African elephant calf named Felix. Felix was the first baby elephant born at the zoo in over 15 years and quickly became a beloved attraction for visitors.