Dardanelles: FINAL ANGLO-FRENCH NAVAL ATTACK ON DARDANELLES NARROWS BY 16 BATTLESHIPS FAILS, 3 sunk, 3 severely damaged: Irresistible, Ocean and French Bouvet (620 lost, 45 survivors) sunk by parallel mines to shore (laid undetected on night March 8 by Turk minelayer Nusret) in Narrows; battlecruiser Inflexible severely damaged. Suffren severely damaged for 6 weeks. Damaged Gaulois runs aground on Rabbit Island.
Allied seaborne breakthrough attempt now abandoned for overland advance on Constantinople. Turk heavy shells almost exhausted (main 48 guns over 6-inch have only 46-230 rounds per gun on March 28).
North Sea: HMS Dreadnought rams and sinks homeward-bound U29 (sank Dutch SS Medea off Beachy Head). First U-boat ‘ace’ Weddigen killed.
Champagne: Fighting for Jaune Brule Wood.
Germany: French raids on Freiberg rail station.
Eastern Front: Russian pilot A A Kazakov, having failed to entangle an Albatros with tracking cable, rams it over Guzov village.