It happened on a… September 20

Students from 185 countries stage the world’s largest-ever protest on climate change culminating in Manhattan rally led by Greta Thunberg.

« New Girl », starring Zooey Deschanel, debuts on Fox.

« The Cosby Show » premiered on NBC-TV, which aired for eight seasons until April 30, 1992.

The National Football League players begin a 57-day strike.

« Blizzard of Ozz », the debut solo album by English rock musician Ozzy Osbourne, is released in the United Kingdom.

RMS Queen Elizabeth 2 is launched at John Brown & Company, Clydebank, Scotland. It is operated by the Cunard Line.

The first Cannes Film Festival premiered. The original premier was delayed in 1939 due to World War II.

« Star Spangled Banner », the national anthem of the United States, published as a song, lyrics by Francis Scott Key, tune by John Stafford Smith

Ferdinand Magellan sets sail from Sanlúcar de Barrameda with about 270 men on his expedition to circumnavigate the globe.