March 1915
| Date | Events |
|---|---|
| 1 | British begin a blockade of East Africa |
| 4 | French government decides to send an Expeditionary Force to the Dardanelles |
| 4 | Russian government sends message to Allies, laying clain to Constantinople |
| 5 | Greek government offers naval and military forces for operations at the Dardanelles |
| 5 | British naval forces commence bombardment of Smyrna (ends 9 March) |
| 7 | Greek government requests explanation of British marine laning at Lemnos: Britain explains military necessity (9 March) |
| 10 | British attack in opening of Battle of Neuve Chapelle, a supporting action to a much larger French offensive in Champagne |
| 12 | British government accepts Russian claims on Constantinople |
| 12 | General Sir Ian Hamilton appointed to command military force for operations at Gallipoli: actually takes command on 17 March |
| 14 | German cruiser SMS "Dresden", the last left at sea, sunk by British warships off coast of Chile |
| 17 | French government lodges claim with British for control of Syria and Cilicia |
| 18 | Turkish shore batteries and sea mine defences repel Allied naval attack in the Dardanelles. British battleships HMS "Irresistible" and HMS "Ocean" and French battleshiip "Bouvet" are all sunk |
| 18 | General Sir John Nixon appointed to command British and Indian force in Mesopotamia |
| 20 | Fighting at Jakalswater in German South West Africa |
| 20 | British government guarantee that Greece will have Lemnos after the war (it is currently Turkish) |
| 21 | First German airship raid on Paris |
| 25 | Indian Expeditionary Force "F" (in Egypt) is absorbed into "E |
| 25 | General Liman von Sanders is appointed to command Turkish forces at Gallipoli |
| 28 | German submarine sinks first British passenger ship, "Falaba" |
| 29 | British and United States governments agree that USA will only export rubber to Britain |
| 30 | South African forces occupy Aus in German South West Africa |