Presidency of James K. Polk

President of the United States from 1845 to 1849 (1795–1849)

military conflict between the United States of America and Mexico from 1846 to 1848

peace treaty that concludes Mexican-American War of 1846-1848

16th quadrennial U.S. presidential election

15th quadrennial U.S. presidential election

the incorporation of the Republic of Texas into the United States

1846 battle in Mexico during the Mexican–American War

early 19th century US–UK boundary dispute

11th presidential administration and cabinet of the USA (1845-1849)

15th United States presidential inauguration