-In the United States, '''Tax Day''' is the day on which individual income [[Tax return (United States)|tax returns]] are due to be submitted to the [[Federal government of the United States|federal government]].<ref name="loc">{{cite web|title=History of the US Income Tax|url=https://www.loc.gov/rr/business/hottopic/irs_history.html|publisher= Library of Congress|access-date=December 29, 2013}}</ref> Since 1955, Tax Day has typically fallen on or just after April 15. Tax Day was first introduced in 1913, when the [[Sixteenth Amendment to the United States Constitution|Sixteenth Amendment]] was ratified.
+In the United States, '''Tax Day''' is the day on which individual income [[Tax return (United States)|tax returns]] are due to be submitted to the [[Federal government of the United States|federal government]].<ref name="loc_200402_usinctaxhist">{{cite web |last=Terrell |first=Ellen |orig-date=February 2004 <!-- see https://web.archive.org/web/20210809220850/http://www.loc.gov/rr/business/hottopic/irs_history.html --> |date=December 2020 |title=Income Tax Day |url=https://guides.loc.gov/this-month-in-business-history/april/tax-day |publisher=Library of Congress |access-date=April 12, 2023 |archive-url=https://web.archive.org/web/20230325094015/https://guides.loc.gov/this-month-in-business-history/april/tax-day |archive-date=March 25, 2023 |url-status=live}}</ref> Since 1955, Tax Day has typically fallen on or just after April 15. Tax Day was first introduced in 1913, when the [[Sixteenth Amendment to the United States Constitution|Sixteenth Amendment]] was ratified.