
The presidency of Benjamin Harrison began on March 4, 1889, when Benjamin Harrison was inaugurated as President of the United States, and ended on March 4, 1893. Harrison, a Republican, took office as the 23rd United States president after defeating Democratic incumbent President Grover Cleveland in the 1888 election. Four years later he was defeated for re-election by Cleveland in the 1892 presidential election. Harrison is the only president to be preceded and succeeded by the same individual. Harrison is also the only president to be the grandson of another president.

The 1888 United States presidential election was the 26th quadrennial presidential election, held on Tuesday, November 6, 1888. Republican nominee Benjamin Harrison, a former Senator from Indiana, defeated incumbent Democratic President Grover Cleveland of New York. It was the third of five U.S. presidential elections in which the winner did not win a plurality of the national popular vote.

The history of U.S. foreign policy from 1861 to 1897 concerns the foreign policy of the United States during the presidential administrations of Abraham Lincoln, Andrew Johnson, Ulysses S. Grant, Rutherford B. Hayes, James A. Garfield, Chester A. Arthur, Grover Cleveland, and Benjamin Harrison. The period began with the outbreak of the American Civil War 1861 and ended with the 1897 inauguration of William McKinley, whose administration commenced a new period of U.S. foreign policy.

The inauguration of Benjamin Harrison as the 23rd President of the United States took place on Monday, March 4, 1889, at the East Portico of the United States Capitol in Washington, D.C. This was the 26th inauguration and marked the commencement of the only four-year term of Benjamin Harrison as President and Levi P. Morton as Vice President. Chief Justice Melville Fuller administered the presidential oath of office as rain poured down.

Following is a list of all Article III United States federal judges appointed by President Benjamin Harrison during his presidency. In total Harrison appointed 42 Article III federal judges, including 4 Justices to the Supreme Court of the United States, 12 judges to the United States courts of appeals and United States circuit courts and 26 judges to the United States district courts.

Levi Parsons Morton was the 22nd vice president of the United States from 1889 to 1893. He also served as United States ambassador to France, as a US representative from New York, and as the 31st governor of New York.

Alice B. Sanger was an American secretary and the first woman to become part of the White House Staff in 1890.