Series of events reported to have occurred miraculously on 13 October 1917 in Portugal

1917 battle of the Mesopotamian Campaign of WWI

1917 battle during the First World War

1917 Last Russian offensive of WW1

1917 battles on the eastern front of WWI

Battle on 28-29 september 1917

1917 South American Championship — football tournament

February Revolution — first of two revolutions in Russia in 1917

Riots at the Santa Fe Bridge between El Paso, Texas and Juárez, Mexico

Russian Revolution — 1917-1922 political change in Russia

Women who died from radium while working as watch painters