What day of the week was July 31, 1923?

The day of the week July 31st, 1923 fell on was a Tuesday.

Ahmet Ertegun the Turkish-American record producer, founded Atlantic Records (d. 2006) was born on 31 July in 1923. As was Jimmy Evert the American tennis player and coach , Stephanie Kwolek the American chemist and engineer (d. 2014) .