Episode 3 of 3

Actual Swearing-In on March 5

When: March 5, 1849
Where: United States Capitol
Part of: Zachary Taylor becomes 12th president; the Atchison 'president for a day' legend

Taylor was sworn in on Monday, March 5, 1849, after the Sunday delay.

The public inauguration ceremony took place on Monday, March 5, 1849, because March 4 fell on a Sunday. Taylor took the presidential oath of office on this day, officially becoming the 12th president.

Sources

United States presidential inauguration Wikipedia, revision of 2026-07-10
Zachary Taylor Wikipedia, revision of 2026-09-13

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.