Hannibal Hamlin (August 27, 1809 – July 4, 1891) was an American attorney and politician from the state of Maine. In a public service career that spanned over 50 years, he is most notable for having served as the 15th Vice President of the United States. The first Republican to hold the office, Hamlin served from 1861 to 1865. He is considered among the most influential politicians to have come from Maine.

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