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 was the unification of germany and italy completed?" whose answer is 18 January 1871.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was germany unified
Useful Output:

Doc 1: Was German Unification Inevitable? In January 1871 Bismarck declared the German nation united. Following a tragic 20th century, Germany
Doc 2: The dispute between the two dominant member states of the Confederation, Austria and Prussia, over which had the inherent right to rule German lands ended in
Doc 3: The German Empire was founded on January 18, 1871, in the aftermath of three successful wars by the North German state of Prussia.
Doc 4: Through a series of wars, he unified 39 individual states into one German nation in 1871. His policies as chancellor were aimed at holding the
Doc 5: The Franco-Prussian War significantly accelerated German unification by rallying support among the German states against France. The war fostered a strong sense