1. On August 28, 1814, British troops invaded and burned down the city of Washington D.C., including the White House and Capitol building. This event is known as the Burning of Washington and occurred during the War of 1812.

2. On August 28, 1963, civil rights activist Martin Luther King Jr. gave his famous "I Have a Dream" speech during the March on Washington for Jobs and Freedom. The march brought together over 200,000 people in support of civil rights for African Americans.

3. On August 28, 1864, Confederate troops under General Jubal Early attacked and occupied the town of Frederick during the Civil War. This led to a Union counter-attack and the eventual defeat of Early's army at the Battle of Cedar Creek in October of that year.

4. On August 28, 1885, Maryland became the first state to require schools to provide free textbooks to their students. This law was passed in order to promote education and equal opportunities for all students, regardless of income or background.

5. On August 28, 2006, the National Park Service opened the Chesapeake and Ohio Canal National Historical Park headquarters in Hagerstown, Maryland. The park covers 184.5 miles along the Potomac River and was used for transportation and trade during the 19th and early 20th centuries.