John Fitzgerald Kennedy was the 35th president of the United States. He was the youngest president ever elected at age 43. Despite being injured during World War II, Kennedy married Jacqueline Bouvier in 1954. On January 20, 1961, Kennedy was sworn in as president. On November 22, 1963, Kennedy was assassinated in Dallas, Texas by Lee Harvey Oswald. Kennedy is still remembered as one of the greatest US presidents.