It happened on a… May 20

David Letterman, after 33 years, hosts the “Late Show with David Letterman” for the last time.

The reality series “America's Next Top Model”, created by Tyra Banks, debuts on UPN.

The Hubble Space Telescope sent back its first photographs.

“Every Breath You Take” single released by The Police. (Billboard Song of the Year 1983)

In a referendum, 59.5% of Quebec voters reject separatism.

Elton John is the 1st western pop star to tour USSR.

Francis Simard sentenced to life imprisonment for the October 17, 1970 murder of Quebec Labor Minister Pierre Laporte.

The first prisoners arrive at a new concentration camp at Auschwitz.

II Summer (Modern) Olympic Games open in Paris (last 5 months).

Levi Strauss began marketing blue jeans with copper rivets.