Critics have challenged Trump’s executive order on birthright citizenship saying it violates

President Donald Trump is set to make an unprecedented visit to the Supreme Court today to hear oral arguments on his fight to end birthright citizenship .

No sitting president has attended Supreme Court arguments in the nation’s history.

Proceedings are set to begin at 10 a.m.

"I'm going,” Trump told reporters in the Oval Office earlier this week.

"I think so.

I do believe.

Because I've listened to this argument for so long."
Trump had flirted with attending oral arguments in other cases, but opted against it.

Now, his attendance has raised questions about the separation of powers with critics blasting the move.

When he returned to office, Trump signed an executive order to deny automatic citizenship to babies born in the U.S., unless they have at least one parent who is a citizen or permanent resident.

That order was almost instantly challenged by groups, who argued it violated the 14th Amendment.

That amendment has been interpreted to give citizenship to nearly every person born in the U.S.

The Supreme Court is set to hear arguments and typically takes months to issue rulings.

No president has ever attended Supreme Court arguments
No U.S.

President has ever attended Supreme Court oral arguments - but Donald Trump is not one for tradition.

On Wednesday, Trump is set to visit the Supreme Court and break a tradition that has been around since 1790.

Trump announced plans to attend and hear arguments on whether his move to end birthright citizenship is Constitutional.

"The case is about the powers of the presidency as an institution," Richard Pildes, a professor of constitutional law at New York University, told NBC News .

"By showing up in person, the President would instead be personalizing the case, as if it’s a personal confrontation between him and the justices."
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