Setting the scene
Joe Biden was elected president November 3, 2020, defeating Donald Trump with 306 electoral votes and 81 million popular votes, the most ever. The election occurred during COVID-19, with record mail-in voting.
What happened
Trump refused to concede, claiming fraud, leading to the January 6 Capitol attack. Biden was inaugurated January 20, 2021, at age 78, the oldest president.
Why it still matters
The election demonstrated democratic resilience amid polarization and misinformation.
Background
Trump refused to concede promptly.