Question

Why has April 15 come to be know as tax day ?

Answer 1

The United States once again enacted income tax with the 16th Amendment in 1913. At that time, the filing deadline was March 1. In 1918 the deadline was changed to March 15, and then in 1955, for the most recent change, the filing deadline was moved to April 15th. The day has come to be known as Tax Day

Answer 2

To spread IRS workers' workload and aid taxpayers

Step-by-step explanation:

When "Tax Day" was moved to April 15th in 1955, many changes were coming federally. Lawmakers at the time made a point to state that the change was meant to help taxpayers recover, and to aid the IRS by moving the deadline back further. Though, there is some speculation that another reason why it was changed was to let the government push back their own payment deadlines to earn more interest.