20 March 1916
The French 29th Division, defending Hill 304, collapses under German pressure from the 11th Bavarian Division, but the Germans are unable to take advantage of the gap in the French lines.
War at Sea/ War in the Air
Aircraft from the seaplane carriers HMS Riviera and HMS Vindex attack the German seaplane base on teh mole at Zeebrugge. All aircraft return safely to the carriers.
How to cite this article: Rickard, J (28 December 2007), 20 March 1916, https://www.historyofwar.org/firstworldwar/daybyday/1916_03_20.html