World War One Diary for Monday, June 18, 1917:
Southern Fronts
Trentino: Italian guns begin 20-hour shelling of Mt OrtigaraÂ-Lepozze Austrian positions.
Air War
Eastern Front: German air raid on Dvinsk.
Politics
USA: President Wilson sees Belgian Mission.
Neutrals
Switzerland: Foreign Minister Hoffmann resigns after aiding German peace overtures to Russia, antiÂ-German Ador succeeds.