The United States Presidency has seen a significant impact from Black history, with milestones including:

1. The election of the first Black President, Barack Obama, in 2008. Obama's historic presidency marked a major milestone for Black Americans and demonstrated the progress of civil rights in the United States.

2. The presidency of George Washington was supported by the work of Black individuals, including free Blacks and enslaved Black people. For example, Onesimus, an enslaved man, shared knowledge about inoculation against smallpox with Washington during the American Revolutionary War.

3. The Reconstruction Era following the Civil War saw the election of Hiram Rhodes Revels as the first Black U.S. Senator in 1870. This was a groundbreaking moment in U.S. history and a significant step towards political representation for Black Americans.

4. During the Civil Rights Movement of the 1960s, Presidents such as John F. Kennedy and Lyndon B. Johnson played vital roles in advancing civil rights legislation, including the Civil Rights Act of 1964 and the Voting Rights Act of 1965. These acts were pivotal in ending segregation and securing voting rights for Black Americans.

Overall, the history of the United States Presidency has been intertwined with the struggle for racial equality and representation, with significant moments that have both advanced and hindered the progress of Black Americans in the country.