Until the ratification of the Twentieth Amendment in 1933, the official day for presidential inaugurations was March 4. When the fourth fell on a Sunday, as it did in 1821, 1849, 1877, and 1917, the ceremonies were held on March 5.
Library of Congress: Inauguration Day
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Resource Link: https://www.loc.gov/item/today-in-history/march-04#inauguration-day