Complex sentence: Joseph eventually established a steamboat line that operated along several rivers until on October 6,1844, while his steamship "The Lucky Walker" was headed to New Orleans, a boiler exploded sinking the ship, killing him and 60 passengers.
Split into simpler sentences: Joseph eventually established a steamboat line that operated along several rivers. On October 6,1844, while his steamship "The Lucky Walker" was headed to New Orleans, a boiler exploded sinking the ship, killing him and 60 passengers.