1812 Federal Election (1812-10-30 - 1812-12-02)

1824 Federal Election (1824-07-07 - 1825-08-30)

1828 Federal Election (1828-07-09 - 1829-10-05)

1836 Federal Election (1836-11-03 - 1836-12-07)

1839 Illinois Whig Convention (1839-10-07 - 1839-10-08)

1839 Whig Convention ( - )

1840 Federal Election (1840-07-06 - 1841-11-02)

1840 Illinois State Election (1840-08-03 - 1840-08-03)

1842 Federal Election (1842-08-01 - 1844-02-14)

1844 Federal Election (1844-11-01 - 1844-12-04)

1848 Federal Election (1848-08-07 - 1849-11-11)

1848 Illinois Constitution ( - )

1850 Federal Election (1850-08-05 - 1851-11-04)

1852 Federal Election (1852-08-02 - 1853-11-08)

1854 Federal Election (1854-08-04 - 1855-11-06)

1856 Federal Election (1856-08-04 - 1857-11-04)

1858 Federal Election (1858-08-02 - 1859-12-01)

1860 Federal Election (1859-12-01 - 1861-10-24)

Adams-Onís Treaty ( - )

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