Sweden introduced a groundbreaking Freedom of Press Act, becoming the first nation to introduce freedom of speech.
Source
The first artificial heart was successfully implanted.
The United Kingdom became the first country to legalize the use of the Pfizer COVID-19 Vaccine.
Paleoanthropologist Louis Leakey discovered a 1.4 million-year-old Homo erectus in Olduvai Gorge, Tanzania.
Colombian drug lord Pablo Escobar was shot and killed in Medellín.
The 'I Robot' collection of sci-fi short stories by Isaac Asimov was published by Genome Press in the US.
