1. In 1803, the case of Marbury v. Madison was decided by the U.S. Supreme Court. This landmark decision established the principle of judicial review, giving the Supreme Court the power to declare laws unconstitutional. The case was argued on February 28, 1803, and the decision was announced on March 1.

2. On February 28, 1827, the first Mardi Gras celebration was held in the United States, in the streets of New Orleans. The festival, which is now synonymous with the city, has become one of the most famous and iconic celebrations in the country.

3. In 1863, during the Civil War, the state of New York passed a law that allowed African American men to serve in the Union Army. This law helped to increase the number of black soldiers in the war effort, and New York became one of the leading states in terms of African American enlistment.

4. On February 28, 1935, Parker Brothers launched the board game Monopoly. The game, which has become one of the most popular and enduring board games of all time, was initially rejected by several toy and game companies before being picked up by Parker Brothers.

5. In 1989, the Central Park Jogger case began with the brutal rape and assault of a young woman in Central Park. Five teenagers were falsely accused and convicted of the crime, before being exonerated in 2002. The case drew national attention and sparked conversations about race, law enforcement, and the criminal justice system.