Presidential Election Day Act
On January 23, 1845, the 28th US Congress passed "An act to establish a uniform time for holding elections for electors of President and Vice President in all the States of the Union. The act selected "the Tuesday after the first Monday in November" as the day on which all states must appoint electors. This standardization greatly increased the speed of Presidential elections; the previous election of 1844 lasted from November 1-December 4. From 1848 onward, every Presidential election has been held on this date.