1. In 1984, the Washington Redskins won Super Bowl XVIII, defeating the Los Angeles Raiders 38-9. This was their third Super Bowl win in franchise history.

2. On January 27, 1909, the first National Geographic Society airplane flight took place in Washington, D.C. The flight was piloted by Wilbur Wright and carried Alexander Graham Bell as a passenger.

3. In 1967, a fire destroyed the historic Presidential yacht, the USS Sequoia, while it was docked in Washington, D.C. The yacht had served eight U.S. Presidents, including Franklin D. Roosevelt and John F. Kennedy.

4. On January 27, 1785, the first organized Methodist society in the District of Columbia was established at John Street Chapel in Georgetown.

5. In 2017, a massive protest known as the Women's March on Washington was held in the nation's capital on January 21, with an estimated attendance of over 500,000 people. The protest was held in response to the inauguration of President Donald Trump.