Chronology of Underwater Technology

1716 Edmund Halley builds a diving bell.
1801 Robert Fulton builds the first submarine.
1819 Augustus Siebe invents a diving suit which receives air pumped down from the surface.
1934 Charles Beebe dives to 3,028 feet using a bathysphere.
1943 Jacques-Yves Cousteau makes the first dive with a compressed-air aqualung.