The first known submarine was built by Dutch inventor Cornelis Drebbel in the early 17th century, specifically around 1620. Drebbel's design was a wooden vessel coated in iron, capable of diving to a depth of about 15 feet. It was rowed by oarsmen and demonstrated the feasibility of underwater navigation, though it was primarily used for demonstration purposes rather than military applications.
where was the first submarine built
the turtle was built in 1775
Groton
Cornelius Drebbel in 1622
David Bushnell .
GROTON
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The first submarine built for the South was named the Pioneer. It was built in 1861 in New Orleans by James McClintock and Baxtor Watson.
1623 by james the first of england
The USS Nautilus was built in Groton, Connecticut.
Bushnell built his submarine, the "Turtle", in early 1776 and first used it in September that year.
The first navigable submarine was built in 1620 in England by Cornelius Drebbel using English mathematician William Bourne's plans from 1578. America (not the US back then) used the first submarine, built by American Colonist David Bushnell in 1776.