Probably the most famous shipwreck of all time, the Titanic, wasn't, in fact, the scariest or the worst in history. On April 27, 1865, the Sultana Steamboat carried more than 2,000 people instead of the regular 350. So, there was a broken boiler, an excess number of passengers, a lack of lifeboats, and not the best river conditions. At 2 am, the broken boiler, unable to withstand the load, suddenly exploded. It didn't leave many survivors, but it was not the only disaster at sea.

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