April 13--French aviators bombard military hangars at Vigneulles, and disperse, near there, a German battalion on the march; according to a report printed in a Swiss newspaper, Count Zeppelin's secretary told this journal's correspondent that Germany is preparing for a great air raid on London in August, with two squadrons of five dirigibles each. April 14--A Zeppelin makes a night raid over the Tyne district of England; inhabitants of the whole region from Newcastle to the coast, warned by authorities, plunge the territory into darkness, which has the effect of baffling the airship pilot; bombs, chiefly of the incendiary kind, are dropped from time to time haphazard; a Zeppelin, while flying over the Ypres district, is shot at and badly damaged, coming down some hours afterward a complete wreck near Maria Aeletre; a Zeppelin drops bombs on Bailleul, the objective being the aviation ground, but this is not hit; three civilians are killed; two German aeroplanes are forced to come to the ground within the French lines, one near Braine and the other near Luneville. April 15--Fifteen French aeroplanes drop bombs on German military buildings at Ostend; German aviator drops bombs on Mourmelow; French aviator drops five bombs on the buildings occupied by the German General Staff at Mazieres; French aviators bombard Freiburg-in-Breisgau, killing six children, two men, and one woman, and injuring fourteen other persons, including several children; three allied aeroplanes make a flight of 170 miles over the Sinai Peninsula, aiming bombs at the tents of Turkish troops. April 16--Two Zeppelins attack the east coast of England in the early morning, dropping bombs at Lowestoft, at Malden, thirty miles from London, while one of the raiders is seen near Dagenham, eleven and one-half miles from London Mansion House; one woman is injured and considerable property damage is done; a German biplane flies over Kent, dropping bombs, which do little damage; at Sheerness the anti-aircraft guns open fire, but the machine escapes; a single bomb, dropped by a German Taube on Amiens, kills or wounds thirty persons, mostly civilians, while twenty-two houses are destroyed outright and many others seriously damaged; French aviators drop bombs at Leopoldshoehe, Rothwell, and Mazieres-les-Metz; two civilians are killed at Rothwell; a combined attack is made by one British and five French aeroplanes on a number of Rhine towns; two allied hydroplanes fall into the Dardanelles as a result of Turkish fire; Garros kills two German aviators in their aeroplane by shooting them from his aeroplane. April 17--French airship bombards Strassburg, wounding civilians; two German aeroplanes drop bombs on Amiens, killing seven persons and wounding eight. April 18--Garros brings down, between Ypres and Dixmude, another German aeroplane, his third within a short period.