The United States Senate has a long history with significant milestones for Black Americans. Here are some key points:

1. Hiram Rhodes Revels: In 1870, Hiram Rhodes Revels became the first African American to serve in the U.S. Senate. He represented Mississippi during the Reconstruction era following the Civil War.

2. Blanche K. Bruce: Following Revels, Blanche K. Bruce became the second African American to serve in the Senate. He represented Mississippi from 1875 to 1881.

3. Edward W. Brooke: In 1967, Edward W. Brooke of Massachusetts became the first African American popularly elected to the Senate. He served two terms and was known for his work on civil rights and fair housing.

4. Carol Moseley Braun: In 1992, Carol Moseley Braun of Illinois made history as the first African American woman elected to the Senate. She served one term from 1993 to 1999.

5. Barack Obama: Before becoming the first African American President of the United States, Barack Obama served as a U.S. Senator representing Illinois from 2005 to 2008. His election to the Senate in 2004 was a historic moment in U.S. political history.

These individuals have made significant contributions to Black history and the history of the U.S. Senate, breaking barriers and paving the way for future generations of Black leaders in politics.