The United States Presidency in Black history has been marked by significant milestones, struggles, and achievements. Some key points include:

1. The first Black President: Barack Obama made history in 2008 when he was elected as the first African American President of the United States. His two terms in office (2009-2017) were marked by efforts to improve healthcare, address economic inequality, and promote diplomacy. Obama's presidency was a symbol of progress and representation for many in the Black community.

2. Reconstruction era and the first Black senators: During the Reconstruction era following the Civil War, a number of African Americans were elected to political office, including serving as senators. For example, Hiram Rhodes Revels became the first Black U.S. Senator in 1870, representing Mississippi.

3. Civil Rights movement and presidential leadership: The Civil Rights movement of the 1950s and 1960s saw significant progress towards racial equality, with key figures such as Martin Luther King Jr. leading the charge. Presidents such as John F. Kennedy and Lyndon B. Johnson played roles in advancing civil rights legislation, such as the Civil Rights Act of 1964 and the Voting Rights Act of 1965.

4. Challenges and barriers faced by Black presidential candidates: Despite the progress made, Black presidential candidates have faced hurdles and barriers in their campaigns. Candidates like Shirley Chisholm, the first Black woman to run for president in a major political party in 1972, and Jesse Jackson, who made multiple runs for the Democratic nomination in the 1980s, faced challenges of racism and lack of support.

Overall, the United States Presidency in Black history reflects the ongoing struggle for racial equality and representation in American politics, as well as the achievements of notable Black leaders who have made their mark on the nation's highest office.