The following events occurred in October 1917:

October 1, 1917 (Monday)

October 2, 1917 (Tuesday)

October 3, 1917 (Wednesday)

October 4, 1917 (Thursday)

October 5, 1917 (Friday)

October 6, 1917 (Saturday)

October 7, 1917 (Sunday)

October 8, 1917 (Monday)

October 9, 1917 (Tuesday)

October 10, 1917 (Wednesday)

October 11, 1917 (Thursday)

October 12, 1917 (Friday)

October 13, 1917 (Saturday)

October 14, 1917 (Sunday)

October 15, 1917 (Monday)

October 16, 1917 (Tuesday)

October 17, 1917 (Wednesday)

October 18, 1917 (Thursday)

October 19, 1917 (Friday)

October 20, 1917 (Saturday)

October 21, 1917 (Sunday)

October 22, 1917 (Monday)

October 23, 1917 (Tuesday)

October 24, 1917 (Wednesday)

October 25, 1917 (Thursday)

October 26, 1917 (Friday)

October 27, 1917 (Saturday)

October 28, 1917 (Sunday)

October 29, 1917 (Monday)

October 30, 1917 (Tuesday)

October 31, 1917 (Wednesday)

and Desert Mounted Corps of the Egyptian Expeditionary Force attacked and captured Beersheba, Syria, from Ottoman forces, ending the stalemate in Southern Palestine and starting the Southern Palestine offensive. Some 1,947 Ottoman troops were taken prisoner and another estimated 1,000 were killed or wounded. British casualties were 171 killed. The capture of Beersheba was clinched with a rare (by this date) mounted charge by the Australian Mounted Division.