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Coral Atolls
Charles Darwin publishes a paper suggesting that coral atolls are the final stage in the subsidence and erosion of volcanic islands. (scientific research) -
Period: to
Oceanography
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Marine Life Discovery
Louis Agassiz uses a steam boat to travel from the Americas East Coast to the West Coast around South America, collecting about 30,000 marine specimens. (navigation) -
Marine Research
A ship called the Challenger circles the globe conducting research for the Royal Society of London, laying the groundwork for modern oceanography. (navigation) -
Sinking of the Titanic
The Titanic sinks after hitting an iceberg, killing 1,500 people. The tragedy led to the invention of a device that signals objects ahead. -
The Bathysphere
William Beebe is lowered in a spherical shaped submersible to 923 meters (3,028 feet) below. He and his partner Otis Barton began manned exploration of the ocean. (navigation) -
Aqua Lung Invention
Jacques Cousteau and Emile Gagnan create a breathing regulator to engineer the Aqua Lung, changing the course of human interaction with the sea. (medical field) -
Underwater Lab
Sealab II, an underwater habitat, is lowered off the coast of California. ( -
Discovery of the Wrecked Titanic
Robert Ballard leads a research team and they discover the Titanic more than 3,810 meters down. (recreation) -
Cataloging Biodiversity
An online database is created that offers a census of marine life. (scientific research) -
First Successful Solo Dive to the Mariana Trench
James Cameron successfully travels to the bottom of the deepest known point in the ocean. (recreation)