1. On February 18, 1688, Maryland passed the "Act concerning Religion," which granted religious freedom to all Christians residing in the colony, making it one of the first British North American colonies to do so.

2. In 1895, the Maryland Agricultural College, which later became the University of Maryland, College Park, played its first intercollegiate football game against Tome School. The game ended in a scoreless tie.

3. On February 18, 1906, a massive fire destroyed a large portion of downtown Baltimore, including several commercial buildings and the historic Baltimore and Ohio Railroad station. The fire caused over $125 million in damages and left thousands homeless.

4. The Maryland State House, located in Annapolis, served as the temporary home of the United States Congress from November 26, 1783, to August 13, 1784. During this time, the Treaty of Paris, which officially ended the Revolutionary War, was ratified on January 14, 1784.

5. On February 18, 1914, the Baltimore Symphony Orchestra gave its first official concert at the Lyric Opera House in Baltimore. The concert featured guest conductor Gustav Strube and included works by Beethoven, Brahms, and Wagner. Today, the Baltimore Symphony Orchestra is recognized as one of the leading orchestras in the United States.