April 1--German submarines sink British steamer Seven Seas and French steamer Emma, thirty men going down with the vessels; British squadron shells Zeebrugge where Germans have established a submarine base, by moonlight; Hamburg-American liner Macedonia, which had been interned at Las Palmas, Canary Islands, but recently escaped, has now eluded British cruisers and sailed for South American waters. April 2--It is learned that Chile has made representations to the British Government regarding the sinking of the German cruiser Dresden; Chile says she was blown up by her own crew in Chilean waters after bombardment by British squadron, and when the Chilean Government was on the point of interning her; three British trawlers are sunk by the German submarine U-10, whose Captain, the fishermen state, told them he has "orders to sink everything"; Norwegian sailing ship Nor is burned by a German submarine, the submarine Captain giving the Nor's Captain a document saying she was destroyed for carrying contraband; Dutch steamer Schieland is blown up off the English coast, presumably by a mine; British steamer Lockwood is sunk by a German submarine off Devonshire coast, the crew escaping. April 3--Forts at entrance to the Gulf of Smyrna are bombarded by allied fleet; French fishing vessel is sunk by a German submarine, her crew escaping; Berlin estimates state that from Aug. 1 to March 1 a tonnage of 437,879 in British merchant ships and auxiliary cruisers has been destroyed. April 4--German submarine sinks British steamer City of Bremen in the English Channel, four of the crew being drowned; German submarine sinks a Russian bark in the English Channel; three German steamers are sunk by mines in the Baltic, 25 men being drowned; Turkish armored cruiser Medjidieh is sunk by a Russian mine; it is learned that an Austrian steamer with 600 tons of ammunition aboard was blown up by a mine in the Danube on March 30, 35 of the crew being drowned; it is learned that the American steamer Greenbriar, lost in the North Sea a few days ago, was sunk by a mine. April 5--A Turkish squadron sinks two Russian ships; Turkish batteries off Kum Kale sink an allied mine sweeper; an Athens report says that the British battleship Lord Nelson, recently stranded in the Dardanelles, has been destroyed by the fire of the Turkish shore guns; British trawler Agantha is sunk by a German submarine off Longstone, the crew being subjected to rifle fire from the submarine while taking to the boats; German submarine U-31 sinks British steamer Olivine and Russian bark Hermes, the crews being saved; German Baltic fleet, returning from bombardment of Libau, is cut off from its base by German mines, which have gone adrift in large numbers because of a storm.