1. In 1834, the Tammany Hall society hosted their first annual banquet on March 6 at the Park Theatre in New York City. This event became a tradition for the political organization, known for their corrupt practices and control of the city's political scene.

2. On March 6, 1857, the US Supreme Court issued the infamous Dred Scott decision, ruling that African Americans were not US citizens and could not sue for their freedom in federal courts. This decision fueled tensions leading up to the Civil War and was later overturned by the 14th Amendment to the Constitution.

3. In 1899, the first international convention of women workers in the garment industry was held in New York City on March 6. The gathering resulted in calls for better working conditions, higher wages, and increased unionization among women in the industry.

4. On March 6, 1960, four black college students from North Carolina A&T State University staged a sit-in at a Woolworth's lunch counter in Greensboro, North Carolina. This event sparked a nationwide movement of peaceful protests against segregation and discrimination, known as the Civil Rights Movement.

5. In 2018, the New York City Council passed legislation on March 6 to establish a third gender option on birth certificates. This groundbreaking measure allowed individuals to identify as non-binary, in addition to male or female, and represented a significant step towards greater inclusivity and acceptance of gender diversity.