FC Wacker Innsbruck — association football club in Innsbruck, Tyrol, Austria (founded: 1915)

Resistance effort by the Armenian militia during the Armenian genocide

Kosovo Offensive — offensive launched part of the greater Serbian campaign of World War I

Naval battle on the Black Sea in 1915

1915 battle in World War I

Armenian Genocide — systematic destruction of the Armenian people and identity in the Ottoman Empire during World War I implemented by the Ottoman authorities through mass murder

Earthquake struck near the city of Avezzano, Abruzzo, Italy on January 13, 1915

Naval battle fought in the North Sea on 24 January 1915

1915 battle of the South West Africa campaign of World War I

Armed conflict between the USA and Native Americans 1914-1915

1915 WWI naval battle