What day of the week was October 15, 1917?

The day of the week October 15th, 1917 fell on was a Monday.

Arthur M. Schlesinger the Jr., American historian and critic (d. 2007) was born on 15 October in 1917. As was Paul Tanner the American trombonist (Glenn Miller Orchestra) (d. 2013) .

Mata Hari the Dutch dancer (b. 1876) died on this day in 1917.

World War I: At Vincennes outside of Paris the Dutch dancer Mata Hari is executed by firing squad for spying for the German Empire.