Kathleen “Kick” Kennedy, born on February 20, 1920, was the fourth child of Joseph P. Kennedy Sr. and Rose Fitzgerald Kennedy. Known for her lively personality and charm, she became one of the most beloved members of the Kennedy family. She spent important years in London when her father served as U.S. Ambassador to the United Kingdom, where she gained popularity in British high society and was presented as a debutante at court. While in England, Kick fell in love with William “Billy” Cavendish,

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On June 19, 1963, Kathleen “Kick” Kennedy would have turned 43—but her life ended fifteen years earlier in a tragic plane crash in France. Born February 20, 1920, she was JFK’s fearless sister, famous for choosing love over legacy. In wartime London, where she worked for the Red Cross, Kick married British aristocrat William “Billy” Cavendish on May 6, 1944, defying her Catholic family and igniting scandal on both sides of the Atlantic. Four months later, Billy was killed in action, leaving her