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: "which countries were the first to form the allied forces during world war li?" whose answer is France.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the first allied countries form before world war i
Useful Output:

Doc 1: On September 4, 1914, the British, French, and Russian governments declared an alliance - the Triple Entente - committing themselves to not demand peace terms
Doc 2: World War I, also known as the Great War, started in 1914 after the assassination of Archduke Franz Ferdinand of Austria.
Doc 3: Below are some key dates in World War II. Some of these events actually took place before the first “official” shot of WWII was fired on September 1, 1939.
Doc 4: 75 years before that, in 1839, you have the Treaty of London. And the Treaty of London did many things. But Article 7 is what's relevant to the beginning of
Doc 5: Japan joined the Allies at the end of August 1914. In November, the Ottoman Empire joined the Central Powers. The next year, Italy joined the