The official secret police force of Nazi Germany, the Gestapo, was established.
Source
Ariel 1, the first British-American satellite, was launched from Cape Canaveral in Florida, US.
The first major mass trials of polio vaccines began.
The Handmaid's Tale debuted on Hulu.
The Chernobyl power plant in Ukraine exploded, killing 31 people and spreading contamination across Western Europe.
William Shakespeare was baptized in Stratford-upon-Avon, Warwickshire, England.
