Ms. Priovolos

The image below represents a major conflict that served to shape the twentieth century.  Can you guess which war it was?  Hint:  This war started 103 years ago. 
Italian Postcard
Source:  Bowman Gray Collection, Rare Book Collection, University of North Carolina at Chapel Hill
 PeriodClass Room 
 A WH 401
BWH  401
    C      WH 401
 D Prep Period 703
 E WAH 401
 FWAH  717
 GPrep Period703

Extra help is available most afternoons in Room 401.