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4400 BCE
Ocean Diving Begins
Ocean diving begins. Coastal cultures begin diving in order to gather food. -
600 BCE
First Sea Routes
The first sea routes were created. In search of tin and other resouces the ancient Phoenicians create sea routes. -
200
Goggles
The first indicated use of goggles. Artwork on Peruvian pottery shows divers wearing goggles and holding fish. -
1405
Chinese Voyages
The Chinese send out 7 voyages made up of over 300 ships. -
First Diving Dress
Englishman John Lethbridge creats a completely enclosed diving dress. -
First Diving Helmet
French scientist Sieur Freminet invents a helmet-hose diving apparatus, in which air is pumped from the surface with an egg-shaped reservoir. The air reaches the diver through a hose attached to the helmet. This system provides a constant supply of air to the diver. -
U.S. Coast Survey Established
President Thomas Jefferson signs a law establishing the United States Coast Survey. This organization studies the eastern coast of the United States and returns data about a wide range of maritime subjects. -
First U.S. Submarine
The U.S. Navy contracts French emigrant Brutus de Villeroi to design a submarine. -
First Deep Ocean Dive
William Beebe and Otis Barton embark on a deep sea expedition in a tethered sphere known as a bathysphere. They reach a depth of 3,000 feet. -
WW II Research
World War II, electronic navigation systems are developed for precision bombing. -
Deepest Dive in Dive Suit
Doctor Sylvia Earle sets a new record for a deep dive in a dive suit. Using a new pressurized metal suit known as a JIM suit, she walks unassisted at a depth of 1,250 feet. -
Titanic Found
Dr. Robert Ballard, with the help of a tiny robotic submarine named Jason, discovers the wreck of the Titanic.
