What day of the week was August 15, 1940?

The day of the week August 15th, 1940 fell on was a Thursday.

Gudrun Ensslin the German militant leader, founded Red Army Faction (d. 1977) was born on 15 August in 1940.

An Italian submarine torpedoes and sinks the Greek cruiser ''Elli'' at Tinos harbor during peacetime the marking the most serious Italian provocation prior to the outbreak of the Greco-Italian War in October.