What day of the week was September 5, 1906?

The day of the week September 5th, 1906 fell on was a Wednesday.

Ludwig Boltzmann the Austrian physicist and philosopher (b. 1844) died on this day in 1906.

The first legal forward pass in American football is thrown by Bradbury Robinson of St. Louis University to teammate Jack Schneider in a 22–0 victory over Carroll College (Wisconsin).