The Twelfth Amendment to the United States Constitution provides the procedure for electing the president and vice president. It replaced the procedure in Article II, Section 1, Clause 3, under which the Electoral College originally functioned. The amendment was proposed by Congress on December 9, 1803, and was ratified by the requisite three-fourths of state legislatures on June 15, 1804. The new rules took effect for the 1804 presidential election and have governed all subsequent presidential elections.
The 1792 United States presidential election was the second quadrennial presidential election. It was held from Friday, November 2, to Wednesday, December 5, 1792. Incumbent President George Washington was elected to a second term by a unanimous vote in the electoral college, while John Adams was re-elected as vice president. Washington was essentially unopposed, but Adams faced a competitive re-election against Governor George Clinton of New York.
The 1796 United States presidential election was the third quadrennial presidential election of the United States. It was held from Friday, November 4 to Wednesday, December 7, 1796. It was the first contested American presidential election, the first presidential election in which political parties played a dominant role, and the only presidential election in which a president and vice president were elected from opposing tickets. Incumbent vice president John Adams of the Federalist Party defeated former secretary of state Thomas Jefferson of the Democratic-Republican Party.
The 1824 United States presidential election was the tenth quadrennial presidential election. It was held from Tuesday, October 26 to Thursday, December 2, 1824. Andrew Jackson, John Quincy Adams, Henry Clay and William Crawford were the primary contenders for the presidency. The result of the election was inconclusive, as no candidate won a majority of the electoral vote. In the election for vice president, John C. Calhoun was elected with a comfortable majority of the vote. Because none of the candidates for president garnered an electoral vote majority, the U.S. House of Representatives, under the provisions of the Twelfth Amendment, held a contingent election. On February 9, 1825, the House voted to elect John Quincy Adams as president.
The 1828 United States presidential election was the 11th quadrennial presidential election. It was held from Friday, October 31 to Tuesday, December 2, 1828. It featured a repetition of the 1824 election, as President John Quincy Adams of the National Republican Party faced Andrew Jackson of the Democratic Party. Both parties were new organizations, and this was the first presidential election their nominees contested. This election saw the second rematch in presidential history, something that would not occur again until 1840.
The following is a summary of the electoral vote changes between United States presidential elections. It summarizes the changes in the Electoral College vote by comparing United States presidential election results for a given year with those from the immediate preceding election. It tracks those states which changed their support between parties as well as changes resulting from other factors, such as reapportionment.
The election of the president and the vice president of the United States is an indirect election in which citizens of the United States who are registered to vote in one of the fifty U.S. states or in Washington, D.C., cast ballots not directly for those offices, but instead for members of the Electoral College. These electors then cast direct votes, known as electoral votes, for president, and for vice president. The candidate who receives an absolute majority of electoral votes is then elected to that office. If no candidate receives an absolute majority of the votes for president, the House of Representatives elects the president; likewise if no one receives an absolute majority of the votes for vice president, then the Senate elects the vice president.
The 1824 United States House of Representatives elections in New York were held from November 1 to 3, 1824, to elect 34 U.S. Representatives to represent the State of New York in the United States House of Representatives of the 19th United States Congress.
The 1824 United States presidential election in Connecticut took place between October 26 and December 2, 1824, as part of the 1824 United States presidential election. Voters chose eight representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1824 United States presidential election in Illinois took place between October 26 and December 2, 1824, as part of the 1824 United States presidential election. Voters chose three representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1824 United States presidential election in Ohio took place between October 26 and December 2, 1824, as part of the 1824 United States presidential election. Voters chose 16 representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1824 United States presidential election in New York took place between October 26 and December 2, 1824, as part of the 1824 United States presidential election. The state legislature chose 36 representatives, or electors to the Electoral College, who voted for President and Vice President.
In the United States, a contingent election is used to elect the president or vice president if no candidate receives a majority of the whole number of Electors appointed. A presidential contingent election is decided by a special vote of the United States House of Representatives, while a vice-presidential contingent election is decided by a vote of the United States Senate. During a contingent election in the House, each state delegation votes en bloc to choose the president instead of representatives voting individually. Senators, by contrast, cast votes individually for vice president.
Electoral history of John Adams served as the second president of the United States (1797–1801) and the first vice president of the United States (1789–1797). Prior to being president, he had diplomatic experience as the second United States envoy to France (1777–1779), the first United States minister to the Netherlands (1782–1788), and the first United States minister to the United Kingdom (1785–1788). After losing the 1800 presidential election to Thomas Jefferson, he would mostly retire from political life, with his second youngest son, John Quincy Adams (1767–1848), being elected as the sixth President of the United States (1825–1829) in the 1824 presidential election against Tennessee Senator Andrew Jackson.
The 1812 United States presidential election in Maryland took place on an unknown date in 1812, as part of the 1812 presidential election. Voters chose eleven representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1816 United States presidential election in Maryland took place on an unknown date in 1816, as part of the 1816 presidential election. Voters chose eleven representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1820 United States presidential election in Maryland took place on an unknown date in 1820, as part of the 1820 presidential election. Voters chose eleven representatives, or electors to the Electoral College, who voted for President and Vice President.
Government 
