Celebrated on 04/15/2026
Tax Day was originally March 1, then changed to March 15, and finally to April 15 in 1955 to give taxpayers more time. In 2020, the IRS extended the deadline to July 15 due to the COVID-19 pandemic, a rare shift.
Tax Day traces its roots to the 16th Amendment, ratified in 1913, which authorized the federal income tax. The first filing deadline was March 1, established by the Revenue Act of 1913. In 1918, Congress moved the deadline to March 15 to give taxpayers more time. Finally, in 1955, the deadline was shifted to April 15, where it remains today (except when it falls on a weekend or holiday, moving to the next business day).
Over time, Tax Day has evolved from a simple filing deadline into a cultural event. The IRS introduced electronic filing in 1986, which now accounts for over 90% of returns. Tax Day is often marked by last-minute rushes to post offices, though e-filing has reduced physical lines. In recent years, it has also become a day of protest for tax reform, with events like the Tea Party rallies. Today, many Americans file for extensions or use tax preparation software, and the day is recognized as a national observance, though not a federal holiday.
Explore more celebrations, trivia, and quests on National Day Quest.