Who is the only president to serve two nonconsecutive terms

Stephen Grover Cleveland

Explanation:

In American history, Stephen Grover Cleveland is the only president to serve two non-consecutive terms in the presidential office. He lived between 18th March, 1837 – 24th June, 1908; he was both a politician and a lawyer. He served as the 22nd president (1885 - 1889) and the 24th president (1893 - 1897).  

Stephen Grover Cleveland was one of the presidents who was elected as a democrat president during the era when the Republican political party dominated.

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