President Joe Biden to address nation from White House on Thursday

President Joe Biden volition measurement into the White House Rose Garden connected Thursday to talk to the federation for the archetypal clip since his party's bruising decision astatine the polls connected Tuesday.

The White House announced that helium would springiness an code astatine 11 a.m. ET.

His code is scheduled to statesman a small much than 24 hours aft his twice-former opponent, Donald Trump, was projected to person won the presidency. Trump bushed Vice President Kamala Harris, whom Biden endorsed successful July, arsenic helium stepped speech arsenic the party's presumptive nominee.

SEE ALSO: Joe Biden gets blamed by Harris allies for the vice president's resounding loss

Biden successful a connection connected Wednesday said that adding Harris to his 2020 Democratic summons was the archetypal and "best decision" helium made successful that campaign. He praised Harris, saying she had "stepped up and led a historical campaign" nether bonzer circumstances.

That connection made nary notation of Trump, the erstwhile Republican president and present president-elect, who volition bookend Biden's sole word successful office.

Biden and Harris person some called Trump to connection congratulations to him for winning a 2nd term. And Biden connected Wednesday besides spoke with Harris connected the phone, the White House said.

Harris successful a code connected Wednesday conceded the contention to Trump.

"Sometimes the combat takes a portion ... The important happening is don't ever springiness up," she said, speaking astatine her alma mater, Howard University, successful Washington, D.C.

Biden successful his Wednesday connection praised Harris, saying, "Her communicative represents the champion of America's story."

"And arsenic she made wide today, I person nary uncertainty she'll proceed penning that story," helium said, according to the White House.

ABC News' Michelle Stoddart and Emily Shapiro contributed to this report.