July 19, 1971 – Patricia Roberts Harris assumes her second cabinet post as Secretary of Health and Human Services. She served under the administration of President Jimmy Carter as United States Secretary of Housing and Urban Development, and United States Secretary of Health, Education, and Welfare, later renamed the Secretary of Health and Human Services during her tenure. She was the first Black woman to serve in the United States Cabinet, and the first to enter the line of succession to the Presidency. She previously served as United States Ambassador to Luxembourg under President Lyndon B. Johnson, and was the first African-American woman to represent the United States as an ambassador. Harris is an alumnus of Howard University, University of Chicago, American University and George Washington University.