Statistics for occurrence #1 of “Portsmouth, N. H.” in entry pearson-george-frederick of Harper's Encyclopedia of United States History:

...leared the Gulf of Mexico of pirates. In 1865-66 he was in command of the Pacific squadron. Retired in 1861; promoted commodore in 1862, and rear-admiral in 1866 on the retired list. He died in Portsmouth, N. H. , June 30, 1867.
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