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: "When did Richard Minifie join the main theatre of war during the First World War?" whose answer is January 1917.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Richard Minifie First World War joining date
Useful Output:

Doc 1: The only other three time recipient in the First World War was Richard Pearman Minifie, an Australian who also served with the RNAS and RAF.
Doc 2: DD.06.1916 Flight Sub-Lieutenant (temp.)  DD.07.1917 Flight Lieutenant (act.)  23.08.1941 Squadron Leader (act.) Military Career:.
Doc 3: Service number, 4328. Ranks Held, Flight Commander, Lieutenant. Birth Date, 02/02/1898. Birth Place, Australia: Victoria, Alphington. Death Date, 31/03/1969.
Doc 4: On 11 June 1916 Minifie joined the Royal Naval Air Service in London as a temporary probationary flight sub-lieutenant and during the next six months was
Doc 5: Richard Pearman Minifie joined the Royal Naval Air Service on 11 June 1916. He was posted to 1 Naval Squadron in December 1917. on On 17 March 1918,