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 bargain town become toys r us?" whose answer is 1966.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did bargain town become toys r us
Useful Output:

Doc 1: It all started in 1948, when Charles Lazarus, age 25, opened a baby furniture store called Children's Bargain Town in Washington, D.C. He knew
Doc 2: By the mid-1960s, both Children's Supermart Inc. (doing business as Toys “R” Us) and Children's Bargain Town U.S.A. were sold to Interstate
Doc 3: According to corporate histories of the toy giant, the Toys R Us name — the R rendered backward, as if drawn by a child — made its debut in 1957
Doc 4: Larry Hochburg founded a company called Bargain Town USA in the late 1950s, opening one of his first stores in Niles in the late 1950s at
Doc 5: Toys 'R' Us: The Children's Bargain Town (April 26, 1979).