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Ocean exploration began around 5000 BC. With the first ocean diving and the first sailing vessels. -
Sailing vessels became more advanced. Explorers ventured further from shore. -
There was more advanced diving equipment including the first scuba gear.
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People where able to see the first maps of the ocean floor and first deep ocean dives.
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The deepest ocean dive took place in 1960. Laboratories also evolved. And the National Oceanic Atmospheric Administration ( NOAA) is established in 1920 to help with ocean research.
