It is reported by RIA Novosti.
The President of the United States did this at a ceremony at the White House.
He also called on other NATO members to approve the two countries' entry into the alliance.
Earlier it was reported that Biden will sign the protocols on the accession of Sweden and Finland to the North Atlantic Alliance on August 9.
Russian leader Vladimir Putin has repeatedly stressed that Moscow will be forced to respond mirror to the deployment of NATO military infrastructure in Finland and Sweden after the entry of these states into the alliance.