This sad chapter in our history reminds us how fragile democracy is, ”said Joe Biden in a written statement on Saturday evening.

The US president was referring to the violence on and in the Capitol on January 6th.

The reason for Biden's declaration was the impeachment proceedings against Donald Trump, which had just ended.

"Even if the last vote did not result in a conviction, the essence of the allegation is undisputed," said the White House statement. Now the conflict must be ended and the nation's soul healed. This task must be “tackled together”, warned Biden. "As United States of America," Biden's statement concluded, with the word "United" underlined.