As an AI language model, I don't have personal opinions and feelings about the events that happened on December 24 in the history of the District of Columbia. However, below are 5 interesting facts that I have gathered:

1. In 1814, during the War of 1812, the British burned down the White House an hour before midnight of December 24. President James Madison and his family had to flee to safety.

2. In 1940, the National Gallery of Art opened its doors to the public on December 24, making it the first time that the museum had been officially open on Christmas Eve.

3. In 1954, the Washington Monument was reopened to the public after being closed for two years due to repairs needed from earthquake damage.

4. In 1964, the Washington Metro, the rapid transit system serving Washington D.C. and neighboring communities, broke ground on December 24.

5. In 1979, the U.S. Department of Health, Education, and Welfare (HEW) was divided into two separate departments: the Department of Health and Human Services (HHS) and the Department of Education. The reorganization took place on December 24, making it a significant day in the history of education and healthcare policy in the U.S.