1. In 1924, the Lincoln Memorial in Washington D.C. was dedicated by former President William Howard Taft. The iconic monument, which features a 19-foot statue of Abraham Lincoln, has become one of the most visited tourist attractions in the city.

2. On February 22, 1980, the United States Ice Skating Team was killed in a plane crash en route to the World Figure Skating Championships in Prague. Among the victims were Olympic gold medalists and rising stars in the sport.

3. In 1861, President-elect Abraham Lincoln arrived in Washington D.C. for his inauguration. Due to security concerns, he had traveled in secret from his home in Illinois and arrived in the city in the early morning hours of February 23.

4. On February 22, 1967, the Washington D.C. government officially abolished the system of racial segregation in its public schools. The decision was a major victory for the civil rights movement and paved the way for greater integration in schools across the country.

5. In 2016, the National Museum of African American History and Culture broke ground on the National Mall in Washington D.C. The museum, the only one in the country dedicated to the history and culture of African Americans, opened to the public in September of 2016.