JFK did not resign from office. He was assassinated while in office on 22 Nov 1963.
He did not resign, he was killed.
He was sworn in on Air Force One after the assassination of President John F. Kennedy in Dallas, Texas. The date was Nov. 22, 1963.
John F. Kennedy.
J F Kennedy died on the 22nd November 1963.
November 22, 1963
November 23, 1963.
John F. Kennedy and Jacqueline Lee "Jackie" Bouvier were married on September 12, 1953.
1963
John Fitzgerald Kennedy was sworn in as the 35th president on January 20, 1961, and he served until his death on November 22, 1963.
John F. Kennedy was born on May 29, 1917.
22 November, 1963
John F. Kennedy is currently the only Catholic US President. It's just Catholic, not Roman Catholic. Roman is an epithet first commonly used in England after the protestant revolt to describe the Catholic Church. It is never used by the official Catholic Church.
He was sworn in as president on that date in 1961.