The 35th President of the United States was John F. Kennedy, who served from January 20, 1961, until his assassination on November 22, 1963. He was a member of the Democratic Party and is known for his charismatic leadership and inspiring speeches, including his famous inaugural address that urged Americans to "ask not what your country can do for you—ask what you can do for your country." Kennedy's presidency was marked by significant events, such as the Cuban Missile Crisis, the establishment of the Peace Corps, and the push for civil rights. His administration faced challenges during the Cold War, and he is remembered for his vision of a "New Frontier" aimed at addressing social issues and advancing space exploration.