The first official Church of Scientology opened in Los Angeles, California, USA.
Source
Mark Twain's Adventures of Huckleberry Finn was published in the United States.
The Perseverance rover successfully landed on Mars.
Queen Elizabeth II knighted English fantasy author Terry Pratchett.
The first Ironman Triathlon was held in Kona, Hawaii, USA.
WikiLeaks published the first US diplomatic cable leak provided by Chelsea Manning.
