Question

Witch government legislation established a federal tax in 1913

Answer 1

Passed by Congress on July 2, 1909, and ratified February 3, 1913, the 16th amendment established Congress's right to impose a Federal income tax.

Answer 2

It was the "Sixteenth Amendment" that established a federal income tax in 1913, since this allows the federal government to impose taxes on incomes without approval from the states.

Hope I helped.