John Philip Holland, Irish engineer, designed the HMS Holland 1 (b. 1840)
John Philip Holland (Irish: Seán Pilib Ó hUallacháin/Ó Maolchalann) (24 February 1841 – 12 August 1914) was an Irish engineer who developed the first submarine to be formally commissioned by the US Navy, and the first Royal Navy submarine, Holland 1.
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1914Aug, 12
John Philip Holland
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