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 italy become part of the european union?" whose answer is 1 January 1958.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did italy become part of the european union
Useful Output:

Doc 1: Italy was a founding member of the European Community--now the European Union (EU). Italy was admitted to the United Nations in 1955 and is a member and
Doc 2: Compared with other EU member states, Italian regions were late in becoming active at the European Union level. Because of legal constraints
Doc 3: In the 1950s, Italy became a founding country of the European Communities, a forerunner of the European Union.
Doc 4: Its beginnings can be traced to the Inner Six states (Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany) at the start of modern European
Doc 5: When the European Community was created in 1957 there were six countries on the roster: Belgium, Germany, France, Italy, Luxembourg, and the Netherlands. The