You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "what was the first british battle of ww1?" whose answer is Battle of Mons.
Each document should contain about 30 words, and these documents should contain useful information.

Query: First British battle of WW1
Useful Output:

Doc 1: The British Army first engaged the German Army in the Battle of Mons on 23 August 1914, which was part of the greater Battle of the Frontiers. The mass
Doc 2: Battles. The First Action of Givenchy, January 1915; The affairs of Cuinchy, January-February 1915; The Battle of Neuve Chapelle, March 1915
Doc 3: During one of history's bloodiest battles, on the first day alone of the first Battle of the Somme, British forces suffer more than 57,000
Doc 4: On 22nd August 1914, around 6.30am, whilst on the Mons-Charlois Road, he fired at a German Cavalry patrol, hitting a German Officer on horseback. Born in London
Doc 5: Battles of WWI · 1914 First Battle of the Marne · 1916 The Battle of Verdun · 1916 The Battle of the Somme · 1916 The Battle of Jutland · 1918 The