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 1788–89 United States presidential election was the first quadrennial presidential election. It was held from Monday, December 15, 1788, to Saturday, January 10, 1789, under the new Constitution ratified that same year. George Washington was unanimously elected for the first of his two terms as president and John Adams became the first vice president. This was the only U.S. presidential election that spanned two calendar years without a contingent election and the first national presidential election in American history.
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 1804 United States presidential election was the fifth quadrennial presidential election, held from Friday, November 2, to Wednesday, December 5, 1804. Incumbent Democratic-Republican president Thomas Jefferson defeated Federalist Charles Cotesworth Pinckney of South Carolina. It was the first presidential election conducted following the ratification of the Twelfth Amendment to the United States Constitution, which reformed procedures for electing presidents and vice presidents.
The 1808 United States presidential election was the sixth quadrennial presidential election, held from Friday, November 4, to Wednesday, December 7, 1808. The Democratic-Republican candidate James Madison defeated Federalist candidate Charles Cotesworth Pinckney decisively.
The 1816 United States presidential election was the eighth quadrennial presidential election. It was held from November 1 to December 4, 1816. In the first election following the end of the War of 1812, Democratic-Republican candidate James Monroe defeated Federalist Rufus King. The election was the last in which the Federalist Party fielded a presidential candidate.
The 1820 United States presidential election was the ninth quadrennial presidential election. It was held from Wednesday, November 1, to Wednesday, December 6, 1820. Taking place at the height of the Era of Good Feelings, the election saw incumbent Democratic-Republican President James Monroe win re-election without a major opponent. It was the third and the most recent United States presidential election in which a presidential candidate ran effectively unopposed. As of 2023, this is the most recent presidential election where an incumbent president was re-elected who was neither a Democrat nor a Republican, before the Democratic-Republican party split into separate parties.
The United States elections of 1788–1789 were the first federal elections in the United States following the ratification of the United States Constitution in 1788. In the elections, George Washington was elected as the first president and the members of the 1st United States Congress were selected.
The 1956 United States presidential election in Maryland took place on November 6, 1956, as part of the 1956 United States presidential election. State voters chose nine representatives, or electors, to the Electoral College, who voted for president and vice president.
The 1816 United States presidential election in Connecticut took place between November 1 to December 4, 1816, as part of the 1816 United States presidential election. The state legislature chose nine 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.
The 1816 United States presidential election in Massachusetts took place between November 1 and 3, 1816, as part of the 1816 United States presidential election. Legislature of Massachusetts chose 22 representatives, or electors to the Electoral College, who voted for President and Vice President.
The 1812 United States presidential election in Massachusetts took place between November 1 and 3, 1812, as part of the 1812 United States presidential election. Voters chose 19 representatives, or electors to the Electoral College, who voted for President and Vice President.
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