Before reaching the Oval Office, this bachelor president served as minister to Russia in the 1830s
[DOC] [TLE] James Buchanan - U.S. Presidents - HISTORY.com [PAR] James Buchanan (1791-1868), America's 15th president, was in office from 1857 
... state's legislature and went on to serve in both houses of the U.S. Congress; ... 
president in 1828, he appointed Buchanan the U.S. ambassador to Russia in 
1831.