Video: 'American Experience The Kennedys 1' (Kennedy's death at 53:57)
(Thursday, May 13, 1948, 6:30 p.m. local time) — Kathleen Cavendish, Marchioness of Hartington, the 28-year-old daughter of Joseph P. Kennedy, Sr. and Rose Kennedy, sister of future U.S. President John F. Kennedy and widow of the heir to the Devonshire dukedom, died today in a plane crash in the French Alps at Saint-Bauzile, Ardèche, France. Continue reading Kennedy sister killed in plane crash 70 years ago this hour #OnThisDay #OTD (May 13 1948)