AHere are five interesting facts about February 28 in District of Columbia history:

1. In 1863, President Abraham Lincoln signed a law creating the National Academy of Sciences, which established the academy as an official government agency. The academy is an independent organization of scientists and engineers that provides expert advice to Congress and federal agencies.

2. In 1922, the Lincoln Memorial was dedicated in Washington, D.C., in honor of President Abraham Lincoln. The dedication ceremony was attended by thousands of people and featured speeches by government officials and other prominent figures.

3. In 1963, civil rights leader Medgar Evers spoke at Howard University in Washington, D.C., just months before his assassination in Mississippi. Evers was an important figure in the struggle for civil rights and helped to organize voter registration drives and desegregation efforts across the South.

4. In 1978, the Washington, D.C. government passed a law legalizing the possession of small amounts of marijuana. The law stayed in effect for more than two decades until it was overturned by Congress in 1998.

5. In 2015, the United States Secret Service apprehended a man who had flown a drone over the White House fence and crashed it into a tree. The incident raised concerns about the security of the presidential residence and led to increased restrictions on the use of drones in the area.