22.—Poison gas first used by Germans in attack on Canadians at Ypres, Belgium.
May
1.—American steamer Gulflight torpedoed off Scilly Isles by German submarine; 3 lives lost.
2.—British South Africa troops under General Botha capture Otymbingue, German Southwest Africa.
7.—Germans capture Libau, Russian Baltic port.
7.—Lusitania, Cunard liner, sunk by German submarine off Kinsale Head, Irish coast, with loss of 1152 lives; 102 Americans.
23.—Italy declares war on Austria-Hungary and begins invasion on a 60-mile front.
24.—American steamer Nebraskan torpedoed by German submarine off Irish coast, but reaches Liverpool in safety.
31.—German Zeppelins bombard suburbs of London.
June