First boats include rafts, skin, hide and bark boats, kayaks, and dugouts.
Mesopotamian sailors invent sails
Archimedes figures out the science of flotation
Vikings invent clinker building.
The central rudder starts to replace the "steerboard."
Cornelis Drebble builds the first submarine from wood.
First iron-hulled is built.
English shipbuilder John Jordan makes probably the fist composite ship by adding wooden-plank cladding over an iron framework.
English inventor John Thornycroft patents an early form of the hovercraft based on a floating lily pad.
Germans develop the snorkel, a breathing tube that allows diesel engines in submarines to operate underwater, reducing the risk of detection.
Marine gas turbine engines are used for the first time.
US Navy launches first nuclear-powered submarine, USS Nautilus.