In his inaugural address, Joe Biden spoke of the perennial challenges of racism and nativism that the U.S. has faced and appealed to a unity he acknowledged seemed "like a foolish fantasy these days." Moments earlier, Lady Gaga set the stage for that message by putting particular emphasis on a line in the U.S. national anthem celebrating the endurance of the republic.

With chants of "Long live Kamala Harris," fireworks and prayers, residents of a tiny Indian village celebrated her inauguration as U.S. vice-president.

In one of the inauguration's most talked about moments, poet Amanda Gorman summoned images dire and triumphant Wednesday as she called out to the world, "even as we grieved, we grew."

World leaders welcomed U.S. President Joe Biden into their ranks Wednesday, noting that their most pressing problems — including the COVID-19 pandemic and climate change — require multilateral co-operation, an approach Biden's predecessor, Donald Trump, largely rejected.

There was no shortage of interesting details of historic significance during Joe Biden's swearing-in ceremony, from his family Bible to Kamala Harris's choice of the colour purple.

Thousands of people on both sides of the border watched history in the making on Wednesday as Kamala Harris became the first woman of colour to be vice-president of the United States.

Twitter has locked the account of the Chinese Embassy in the U.S. for a tweet that defended China's policies in the Xinjiang region, which the U.S. social media platform said violated the firm's policy against "dehumanization" of a group of people.

About 150 demonstrators march in Portland and smash windows; police report multiple arrests.

President Biden's inauguration marked a return to a more traditional, unifying politics. But it was a surreal experience amid a pandemic and waves of political violence, which the ceremonies were forced to reflect.

Many Americans express hope and see the 'start of healing' with Biden-Harris swearing-in. Others are less than enthusiastic.

The national youth poet laureate read her galvanizing poem, 'The Hill We Climb,' just after Joe Biden was inaugurated as the 46th U.S. president.

Kamala Harris was sworn in Wednesday as U.S. vice president — the first woman, first Black American and first Asian American in the position.

Washington, D.C., was prepared for the worst ahead of Inauguration Day. But the worst stayed home.

As President Biden takes office, the rest of the world watches closely, some less focused on Biden's ascension than on Trump's departure.

The Howard University community celebrated one of its own, Kamala Harris, becoming vice president with a flurry of online activity.