The Clermont steamboat by Robert Fulton made its maiden trip up the Hudson River.
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The Soviet K-278 Komsomolets nuclear submarine caught fire and sank off the coast of Norway.
Christopher Cockerell first presents the hovercraft.
Two Australian warships, the HMAS Melbourne and the HMAS Voyager, collided off the New South Wales coast.
Passenger ferry Estonia sinks, killing 852.
The cruise ship Costa Concordia sinks, killing 32.
