Part I:
1. William Henry Seward, a trip to the Virgin Islands, then a colony of Denmark, in 1866.
2. James Buchanan, the 18th secretary of state (1845-49) and 15th president (1857-61).
3. Five: Thomas Jefferson (secretary of state, 1789-93; president, 1801-09); James Madison (secretary of state, 1801-09; president, 1809-17); James Monroe (secretary of state, 1811-14 and 1815-17; president, 1817-25); John Quincy Adams (secretary of state, 1817-25; president, 1825-29); Martin Van Buren (secretary of state, 1826-31; president, 1837-41).
4. Three: Charles E. Hughes (Republican nominee, 1916; secretary of state, 1921-25); William Jennings Bryan (Democratic nominee, 1896, 1900 and 1908; secretary of state, 1913-15); James G. Blaine, who was secretary of state both before and after his failed Republican candidacy in 1884 -- in 1881 and from 1889-92.
5. James Monroe (1811-14 and 1815-17); James G. Blaine (1881 and 1889-92); Daniel Webster (1841-43 and 1850-52).
6. Madeleine Albright, secretary of state in President Clinton's second term, traveled 949,860 miles visiting 124 countries.
7. John Marshall (secretary of state, 1800-01; chief justice of the United States, 1801-35); Charles Evans Hughes (secretary of state, 1921-25; chief justice, 1930-41).
Two others were Supreme Court justices: James F. Byrnes, secretary of state (1945-47) and justice (1941-42); and William R. Day, secretary of state (1898) and justice (1903-22).
8. Gen. George C. Marshall (U.S. Army chief of staff, 1939-45; secretary of state, 1947-49).
9. Cordell Hull (1933-44).
10. Elihu B. Washburne, who served just 11 days (March 5-16, 1869). Washburne, a member of Congress with no diplomatic experience, cited ill health in resigning.
President Ulysses S. Grant, a close friend, then appointed him U.S. minister to France, where he served for the next eight years.
SOURCES: U.S. Department of State, U.S. Supreme Court, news reports
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