Sussex, French cross-channel steamer, with many Americans aboard, sunk by submarine off Dieppe. No Americans lost. Melancourt taken by Germans in Verdun Battle. President Wilson publicly warns Germany not to pursue submarine policy. Russian troops landed at Marseilles for service on Frenchfront.
Irish rebellion begins in Dublin.
Patrick Pearse announced as first President. Irish rebellion ends with unconditional surrender of Pearse and other leaders, who are tried by court-martial and executed. Cymrio, White Star liner, torpedoed off Irish coast. Italian positions penetrated by Austrians. Vimy Ridge gained by British.