1. In 1861, a skirmish known as the Battle of Saint Leonard's Creek took place in Calvert County. Confederate soldiers attempted to seize a Union ship, but were ultimately unsuccessful.

2. In 1918, Fort Meade became a major training center for soldiers heading to fight in World War I. The base, located in Anne Arundel County, continues to serve as a training and employment center for military personnel.

3. The state of Maryland was admitted to the Union on April 28, 1788, but it wasn't until August 10 of that year that William Paca was officially sworn in as the state's third governor.

4. The Chesapeake Bay Bridge, a 4.3-mile long span connecting the Eastern and Western shores of Maryland, opened to traffic on August 10, 1952. It was the world's longest continuous over-water steel structure at the time.

5. In 1904, the Baltimore Orioles played a game against the New York Highlanders (later known as the Yankees) at Oriole Park. The game is notable because it was the first time the national anthem was played before a professional baseball game.