was making remarks on Equal Pay Day and had taken his mask off to speak at the podium.
He failed to put his mask back on as he moved to a side table to sign a proclamation and left it behind him again as he walked off the stage, accompanied by guests Megan Rapinoe and other members of the US women's soccer team.
“My mask. I forgot my mask,” Biden is heard saying just as he steps out of view.
He sheepishly shuffled back over the podium to retrieve it and presented it proudly to the crowd.
As the group chuckles, Biden continues to hold his mask in his hand and reverts back to speaking about the US women’s soccer team.
“Have you ever seen them play? They are incredible,” he begins, as casts off his forgetful moment.
“If I could it would have been done a long time ago. It would have been done in 2015,” he responds, when asked about ordering equal pay for the soccer team.
Reporters also jumped on the extra opportunity to question Biden about his upcoming press conference on Thursday, the first he would hold as president.
“What press conference?” Biden joked.
reports that Biden has walked away from an event without his mask at least four times, even after introducing his own mandate on grounds.
Vice President Kamala Harris was forced to remind him to put his face covering back on after he left the podium in February.
Biden even forgot to replace it after signing his $1.9trillion American Rescue Plan earlier in March, and again the next day when celebrating International Women’s Day.
On Thursday, the president delivered his but before it had finished, appeared to walk away confused after mumbling incoherently at the camera.
It was among several bizarre moments from the gaffe-prone president throughout the hour-long briefing.
He appeared to while answering a question about the filibuster, pausing, and concluding with “anyway.”
Biden also asked "where am I" while figuring out which reporter to speak to and was seen searching through his binder for notes.
It came less than a week after Biden stumbled three times as he boarded Air Force One while on his way to Atlanta.
The White House insisted the president was “100 percent fine” after the slip and initially blamed it on the wind.
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Yet White House Press Secretary Jen Psaki then claimed earlier this week that the stair was “tricky” and refused to confirm if Biden needed to be treated by a doctor afterward.
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Later that day, Biden had suffered another gaffe when he as president.
A has warned that Biden's errors are becoming a "national security crisis" as enemies "openly mock" the US.