1. In 1850, the first Thanksgiving Day was celebrated as a national holiday in the District of Columbia. President Zachary Taylor declared Thursday, November 28 as a day of prayer and thanksgiving.

2. In 1963, President John F. Kennedy was assassinated in Dallas, Texas. The news of his death shocked the nation and the world, and people in the District of Columbia and across the country mourned in the days that followed.

3. In 1973, the District passed the Human Rights Act, which prohibited discrimination based on race, color, religion, national origin, sex, age, marital status, personal appearance, sexual orientation, gender identity or expression, family responsibilities, genetic information, disability, or matriculation.

4. In 1991, the District of Columbia Voting Rights Amendment was introduced in Congress. The proposed amendment would have granted full voting representation in the House and Senate to residents of the District of Columbia, but it ultimately failed to pass.

5. In 2020, the District of Columbia legalized the use of psychedelic mushrooms for therapeutic purposes. Initiative 81, which passed with 76% of the vote, made the enforcement of laws restricting the use of psilocybin mushrooms among non-violent adults the lowest priority for law enforcement.