17 moments
Birth at Stony Batter farm
· Stony Batter farm, near Cove Gap, Pennsylvania, United States

Wikimedia Commons · CC BY-SA 4.0 · file Buchanan was born near Cove Gap in southern Pennsylvania. Coordinates represent the documented Stony Batter/Cove Gap birthplace area.
Student at Dickinson College
· Dickinson College, Carlisle, Pennsylvania, United States
While studying at Dickinson College, Buchanan was nearly expelled after disorderly conduct before graduating the following year.
Move to Lancaster for legal training
· Lancaster, Pennsylvania, United States
After graduating from Dickinson, Buchanan relocated to Lancaster to read law under James Hopkins, beginning the city association that continued through much of his life.
Arrival as U.S. envoy in St. Petersburg
· St. Petersburg, Russian Empire

Wikimedia Commons · Public domain · file Buchanan arrived in the Russian imperial capital as United States envoy extraordinary and minister plenipotentiary.
Departure from St. Petersburg
· St. Petersburg, Russian Empire
Buchanan left St. Petersburg after negotiating a commercial treaty during his Russian mission.
Minister to Great Britain
· London, England, United Kingdom

Wikimedia Commons · Public domain · file Buchanan began a three-year diplomatic residence abroad as United States minister to the United Kingdom. The source establishes presence in England rather than a precise London arrival date; coordinates represent London, his diplomatic station.
Ostend Manifesto conference
· Ostend, Belgium

Wikimedia Commons · Public domain · file While minister to Britain, Buchanan met the American ministers to Spain and France at Ostend to develop a Cuba-acquisition plan that became the Ostend Manifesto. The cited text establishes the meeting location; the year is supported by the associated Ostend Manifesto chronology.
Front-porch presidential campaign
· Wheatland, Lancaster, Pennsylvania, United States

Wikimedia Commons · Public domain · file Buchanan conducted his general-election campaign principally from Wheatland rather than traveling extensively.
Return to Lancaster before presidential nomination
· Wheatland, Lancaster, Pennsylvania, United States

Wikimedia Commons · Public domain · file Buchanan returned home from Britain at the end of April, shortly before securing the Democratic presidential nomination. Wheatland is used because the article identifies it as Buchanan's Lancaster home during this period.
Cabinet planning and illness at the National Hotel
· National Hotel site, Washington, D.C., United States
President-elect Buchanan traveled from Wheatland to Washington to organize his cabinet and stayed at the National Hotel, where he became seriously ill. The National Hotel no longer stands; coordinates represent its former downtown Washington site.
Presidential inauguration
· East Portico, United States Capitol, Washington, D.C., United States

Wikimedia Commons · Public domain · file Buchanan took the presidential oath at the East Portico of the United States Capitol, beginning his one-term presidency.
Presidential proclamation in Washington
· Washington, D.C., United States

Wikimedia Commons · Public domain · file Buchanan issued a proclamation calling the Senate into special session, dating it from Washington. Coordinates represent central Washington because the proclamation does not identify a specific building.
University of North Carolina commencement visit
· University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, United States

Wikimedia Commons · Public domain · file Buchanan arrived at Chapel Hill for the University of North Carolina commencement, where the university awarded him a doctor of laws and he addressed Union preservation. Coordinates represent the historic University of North Carolina campus.
Discussion with Presbyterian pastor in Manhattan
· Manhattan, New York City, New York, United States

Wikimedia Commons · Public domain · file During the summer, Buchanan held a serious religious discussion with the pastor of the First Presbyterian Church in Manhattan. Only the summer of 1860 and Manhattan are supported; coordinates are representative of Manhattan.
Meeting Lincoln at Willard's Hotel
· Willard InterContinental site, Washington, D.C., United States
On Lincoln's inauguration day, outgoing President Buchanan met the president-elect at Willard's Hotel and traveled with him to the Capitol. Coordinates represent the continuing Willard Hotel site.
Retirement to Wheatland
· Wheatland, Lancaster, Pennsylvania, United States

Wikimedia Commons · Public domain · file Two days after leaving the presidency, Buchanan retired to his Wheatland estate near Lancaster. The Library of Congress timeline dates this retirement to March 6, 1861.
Death at Wheatland
· Wheatland, Lancaster Township, Pennsylvania, United States

Wikimedia Commons · Public domain · file Buchanan died at Wheatland in Lancaster Township after a respiratory illness worsened in May 1868.