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What caused Jack Kerouac’s death in 1969?

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Portrait of Jack Kerouac, American novelist and poet, looking over his shoulder in a collared shirt, circa 1965. — Jack Kerouac American novelist and poet Jack Kerouac, c. 1965.

Jack Kerouac died on October 21, 1969, in St. Petersburg, Florida, due to internal hemorrhaging.12

At the time of his death, Kerouac was struggling with alcoholism. His health had been further compromised following a physical altercation; he had been beaten by fellow drinkers at a local bar one week prior to his passing.2