The Treaty of Frankfurt was signed between Holy Roman Emperor Charles V and Protestants.
Source
Captain James Cook sighted Australia for the first time.
Cardinal Joseph Ratzinger was elected as Pope under the name Pope Benedict XVI.
Grace Kelly married Rainier III, the Prince of Monaco.
NASA's Ingenuity helicopter became the first helicopter to fly on another planet.
Prolific killer Charles Manson was sentenced to death by gas chamber.
