- 21st United States Congress [r]: U.S. Congress seated March 4, 1829 to March 3, 1831, the first two years of President Andrew Jackson's first term. [e]
- 22nd United States Congress [r]: U.S. Congress seated March 4, 1831 to March 3, 1833, the last two years of President Andrew Jackson's first term. [e]
- 23rd United States Congress [r]: U.S. Congress seated March 4, 1833 to March 3, 1835, the first two years of President Andrew Jackson's second term. [e]
- 24th United States Congress [r]: That session of the U.S. Congress that convened on March 4, 1835, adjourned on March 3, 1837, and was the legislature for the two years of the second administration of U.S. President Andrew Jackson [e]
- 25th United States Congress [r]: U.S. Congress seated March 4, 1837 to March 3, 1839, the first two years of President Martin Van Buren's term. [e]
- 26th United States Congress [r]: U.S. Congress seated March 4, 1839 to March 3, 1841, the last two years of President Martin Van Buren's term. [e]
- 27th United States Congress [r]: U.S. Congress seated March 4, 1841 to March 3, 1843, during President William Henry Harrison's term and the first 2 years of John Tyler's term. [e]
- 28th United States Congress [r]: The session of the legislative branch of the United States that met from March 4, 1843 to March 3, 1845, during the second half of the administration of U.S. President John Tyler [e]
- 29th United States Congress [r]: U.S. Congress seated March 4, 1845 to March 3, 1847, the first two years of President James_K._Polk's term. [e]
- 30th United States Congress [r]: United States Congress seated March 4, 1847 to March 3, 1849, the last two years of President James K. Polk's term. [e]
- 31st United States Congress [r]: U.S. Congress seated March 4, 1849 to March 3, 1851, during President Zachary Taylor's term and the first months of Millard Fillmore's term. [e]
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- 32nd United States Congress [r]: U.S. Congress seated March 4, 1851 to March 3, 1853, the last two years of President Millard Fillmore's term. [e]
- 33rd United States Congress [r]: U.S. Congress seated March 4, 1853 to March 3, 1855, the first two years of President Franklin Pierce's term. [e]
- 34th United States Congress [r]: U.S. Congress seated March 4, 1855 to March 3, 1857, the last two years of President Franklin Pierce's term. [e]
- 35th United States Congress [r]: U.S. Congress seated March 4, 1857 to March 3, 1859, the first two years of President James Buchanan's term. [e]
- 36th United States Congress [r]: The session of the U.S. Congress, between March 4, 1859 to March 3, 1861, during the last two years of the administration of U.S. President James Buchanan. [e]
- 37th United States Congress [r]: U.S. Congress seated March 4, 1861 to March 3, 1863, the first two years of President Abraham Lincoln's first term. [e]
- 38th United States Congress [r]: U.S. Congress seated March 4, 1863 to March 3, 1865, the last two years of President Abraham Lincoln's first term. [e]
- 39th United States Congress [r]: U.S. Congress seated March 4, 1865 to March 3, 1867, during the 2nd term of President Abraham Lincoln and the first 2 years of Andrew Johnson's term. [e]
- 40th United States Congress [r]: U.S. Congress seated March 4, 1867 to March 3, 1869, the last two years of President Andrew Johnson's term. [e]
- 41st United States Congress [r]: U.S. Congress seated March 4, 1869 to March 3, 1871, the first two years of President Ulysses S. Grant's term. [e]
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