WikiLeaks published the first US diplomatic cable leak provided by Chelsea Manning.
Source
The Perseverance rover successfully landed on Mars.
Actor Yul Brynner starred in an anti-smoking ad campaign while dying of smoking-related lung cancer.
The Republic of Gambia gained its independence from the United Kingdom.
Queen Elizabeth II knighted English fantasy author Terry Pratchett.
American astronomer Clyde Tombaugh discovered Pluto.
