2021 – Texas' worst energy infrastructure failure, the 2021 Texas power crisis, starts.

2021 – The traditional Carnival in Rio de Janeiro, Brazil is canceled for the first time because of the COVID-19 pandemic.

1996 – IBM supercomputer Deep Blue defeats Garry Kasparov in chess for the first time.

1967 – The 25th Amendment to the United States Constitution is ratified.

On this day 1,023 years ago the sun rose in the east and set in the west.

Except in Sector R.

2021 – Second impeachment trial of Donald Trump begins.

1986 – Halley's Comet last appeared in the inner Solar System.

1964 – The Beatles make their first appearance on The Ed Sullivan Show, performing before a record-setting audience of 73 million viewers across the United States.

1961 – The Beatles at the Cavern Club: Lunchtime – The Beatles perform under this name at The Cavern Club for the first time following their return to Liverpool from Hamburg.

1959 – The R-7 Semyorka, the first intercontinental ballistic missile, becomes operational at Plesetsk, USSR.

1915 – D. W. Griffith's controversial landmark film The Birth of a Nation premieres in Los Angeles.

1964 – The Beatles land in the United States for the first time, at the newly renamed John F. Kennedy International Airport.

2020 – United States President Donald Trump is acquitted by the United States Senate in his first impeachment trial.

1958 – A hydrogen bomb known as the Tybee Bomb is lost by the US Air Force off the coast of Savannah, Georgia, never to be recovered.

1907 – Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.

2004 – Facebook, a mainstream online social networking site, is founded by Mark Zuckerberg and Eduardo Saverin.

1971 – New York Police Officer Frank Serpico is shot during a drug bust in Brooklyn and survives to later testify against police corruption.

1961 – The United States Air Force begins Operation Looking Glass, and over the next 30 years, a "Doomsday Plane" is always in the air, with the capability of taking direct control of the United States' bombers and missiles in the event of the destruction of the SAC's command post.

1933 – Adolf Hitler announces that the expansion of Lebensraum into Eastern Europe, and its ruthless Germanisation, are the ultimate geopolitical objectives of Nazi foreign policy.

1942 – The Osvald Group is responsible for the first, active event of anti-Nazi resistance in Norway, to protest the inauguration of Vidkun Quisling.