The 16th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1819, to March 4, 1821, during the third and fourth years of James Monroe's presidency. The apportionment of seats in the House of Representatives was based on the 1810 United States census. Both chambers had a Democratic-Republican majority.
The 1828–29 United States House of Representatives elections were held on various dates in various states between July 9, 1828 and October 5, 1829. Each state set its own date for its elections to the House of Representatives before the first session of the 21st United States Congress convened on December 7, 1829. Elections were held for all 213 seats, representing 24 states.
The 1826–27 United States House of Representatives elections were held on various dates in various states between July 3, 1826, and August 30, 1827. Each state set its own date for its elections to the House of Representatives before the first session of the 20th United States Congress convened on December 3, 1827. They occurred during John Quincy Adams's presidency. Elections were held for all 213 seats, representing 24 states.
The 1824–25 United States House of Representatives elections were held on various dates in various states between July 7, 1824 and August 30, 1825. Each state set its own date for its elections to the House of Representatives before the first session of the 19th United States Congress convened on December 5, 1825. Elections were held for all 213 seats, representing 24 states.
The 1822–23 United States House of Representatives elections were held on various dates in various states between July 1, 1822 and August 14, 1823. Each state set its own date for its elections to the House of Representatives before the first session of the 18th United States Congress convened on December 1, 1823. They occurred during President James Monroe's second term.
The 1820–21 United States House of Representatives elections were held on various dates in various states between July 3, 1820 and August 10, 1821. Each state set its own date for its elections to the House of Representatives before the first session of the 17th United States Congress convened on December 3, 1821. They coincided with President James Monroe winning reelection unopposed.
The 1818–19 United States House of Representatives elections were held on various dates in various states between April 26, 1818 and August 12, 1819. Each state set its own date for its elections to the House of Representatives before the first session of the 16th United States Congress convened on December 6, 1819. They occurred during President James Monroe's first term. Also, newly admitted Alabama elected its first representatives in September 1819, increasing the size of the House to 186 seats.
The 1810–11 United States House of Representatives elections were held on various dates in various states between April 24, 1810 and August 2, 1811. Each state set its own date for its elections to the House of Representatives before the first session of the 12th United States Congress convened on November 4, 1811. They occurred during President James Madison's first term. Elections were held for all 142 seats, representing 17 states.
The 1802–03 United States House of Representatives elections were held on various dates in various states between April 26, 1802 and December 14, 1803. Each state set its own date for its elections to the House of Representatives, either before or after the first session of the 8th United States Congress convened on October 17, 1803. They occurred during President Thomas Jefferson's first term in office.
The 1800–01 United States House of Representatives elections were held on various dates in various states between April 29, 1800 and August 1, 1801. Each state set its own date for its elections to the House of Representatives before the first session of the 7th United States Congress convened on December 7, 1801. They were held at the same time as the 1800 presidential election, in which Vice President Thomas Jefferson, a Democratic Republican, defeated incumbent President John Adams, a Federalist. Elections were held for all 105 seats, representing 15 states.
The 1798–99 United States House of Representatives elections were held on various dates in various states between April 24, 1798 in New York and August 1, 1799 in Tennessee. Each state set its own date for its elections to the House of Representatives, with some after the official start of the 6th United States Congress on March 4, 1799, but before the start of the first session of this Congress in Philadelphia on December 2, 1799. These elections were held during President John Adams term. It was the last congressional session before the move to the new capital at Washington, D.C. Elections were held for all 106 seats, representing 16 states.
The 1796–97 United States House of Representatives elections took place in the various states took place between August 12, 1796, and October 15, 1797. Each state set its own date for its elections to the House of Representatives. The size of the House increased to 106 seats after Tennessee became the 16th state to join the union. The first session of the 5th United States Congress was convened on May 15, 1797, at the proclamation of the new President of the United States, John Adams. Since Kentucky and Tennessee had not yet voted, they were unrepresented until the second session began on November 13, 1797.
The 1794–95 United States House of Representatives elections were held on various dates in various states between August 25, 1794, and September 5, 1795 (Kentucky). Each state set its own date for its elections to the House of Representatives before the first session of the 4th United States Congress convened on December 7, 1795. They were held during President George Washington's second term. Elections were held for all 105 seats, representing 15 states.
The 1792–93 United States House of Representatives elections were held on various dates in various states between August 27, 1792 and September 6, 1793. Each state set its own date for its elections to the House of Representatives before the first session of the 3rd United States Congress convened on December 2, 1793. With the addition of the new state of Kentucky's representatives, and the congressional reapportionment based on the 1790 United States Census, the size of the House increased to 105 seats.
Elections for the United States House of Representatives for the 2nd Congress were held in Massachusetts beginning October 4, 1790, with subsequent elections held in four districts due to a majority not being achieved on the first ballot.
Following the 1790 Census, Massachusetts's representation increased from eight to fourteen Representatives and was redistricted into four plural districts, plus a single at-large district. The 4th district covered the District of Maine. The plural districts were concurrent tickets rather than a single general ticket, though the 1st and Massachusetts 2s appear to have also had a general ticket alongside the more specific tickets.
Although Maine neither gained nor lost seats after the 1820 United States Census, redistricting placed two incumbents into the 3rd district. Maine elected its members on April 7, 1823, after the term began but before the new Congress convened. Maine law required a majority for election, with additional ballots taken if a majority were not achieved. This proved necessary in 1823 in the 1st, 3rd, 4th, and 6th districts, but all members were still chosen before the new Congress convened.
Massachusetts elected its members November 2, 1818. Massachusetts's electoral law required a majority for election, necessitating additional elections in five districts on April 5, 1819, and July 26, 1819.
Massachusetts gained three seats after the 1810 Census, all of which were added to the District of Maine. Its elections were held November 5, 1812, but since Massachusetts law required a majority for election, which was not met in the 19th district, a second ballot was held there January 6, 1813.
This was the first election in Maine since its separation from Massachusetts. In the previous election, Massachusetts had had 20 representatives. Seven seats were reassigned from Massachusetts to Maine. In addition, under the terms of the law which admitted Maine to the union, any vacancies in the 16th Congress by Representatives elected to represent Massachusetts but residing in the new states of Maine would be filled by a resident of Maine. John Holmes, who had been elected to the House for the former 14th district of Massachusetts was elected as one of the first two senators for Maine. The vacancy was filled in a special election by Joseph Dane (Federalist). Dane was the only Representative officially considered as representing Maine in the 16th Congress. The Representatives from the 15th-20th districts were still classified as being from Massachusetts for the remainder of the 16th Congress.
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