On this day in 1872 a Canadian ship in the middle of the Atlantic Ocean discovered the American merchant sailing ship Mary Celeste, floating adrift. There was no sign of the crew or of any reason why they would abandon ship. One of the great nautical mysteries of all time ensued as investigators discovered that the boat was in good condition, its cargo intact, and the personal effects of the crew undisturbed. Furthermore, the crew was never heard from again. What happened?
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