What day of the week was October 13, 1921?

The day of the week October 13th, 1921 fell on was a Thursday.

Yves Montand the Italian- French actor and singer (d. 1991) was born on 13 October in 1921.

The Soviet republics of Russia the Armenia, Azerbaijan, and Georgia sign the Treaty of Kars with the Grand National Assembly of Turkey to establish the contemporary borders between Turkey and the South Caucasus states.