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1175 BCE
first recorded naval battle
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1 CE
Invention of the rudder
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1492
Christopher Columbus' first voyage
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1513
first voyage from Europe to China
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1522
first circumnavigation
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first "submarine"
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first steam boat
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first electric boat
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first ironclad warship
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first purpose-built icebreaker
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First battleship
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first speedboat
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first turbine-powered ship
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first diesel-electric ship
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Titanic sank
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First aircraft carrier
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first American vessel to be equipped with radar.
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first purpose-built container ships
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first nuclear-powered vessel
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first practical hovercraft
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discovery of titanic wreck
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worlds biggest boat
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first manned expedition to the North Pole seabed.