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Holland I (Submarine No. 1) - NHHC
John Philip Holland, the man who developed the first true submarine accepted by U.S. Navy (spending 57 of his 74 years working with submersibles), was born in Liscannor, County Clare, Ireland, on 29 February 1840. As a youth, he considered the use of the submarine to further the cause of Irish Independence. Holland came to the United States in 1873. In 1875 his first submarine designs were ...