'Never been more optimistic': speeches, songs and celebrations cap Biden's inauguration day –as it happened

• Press secretary Jen Psaki addresses pool
• Biden marks start of presidency with flurry of executive orders
• Avril Haines confirmed as first female director of national intelligence
• Historic day as Biden sworn in as America's 46th president
• Democrats take Senate majority after three senators sworn in
• Kamala Harris becomes first female, Black and south Asian VP
• Amanda Gorman: young poet steals the inauguration show

4.28am GMT

As a historic presidential inauguration comes to a close, here are our key takeaways from the day.

It was a day of historic firsts.

4.02am GMT

Amanda Gorman, the 22-year-old poet who transfixed the inauguration crowd this morning, has given an interview to a visibly smitten Anderson Cooper on CNN.

Anderson Cooper to Amanda Gorman is all of us: "Wow. You're awesome."

This interview by @andersoncooper with @TheAmandaGorman was wonderful and hopeful and revealing. Anderson said he was transfixed" by her. We all were. Amazing talent. pic.twitter.com/y61vCfgQGK

Related: An inspiration to us all': Amanda Gorman's inaugural poem stirs hope and awe