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 they add one nation under god to the pledge of allegiance?" whose answer is 1954.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did they add one nation under god to the pledge of allegiance
Useful Output:

Doc 1: June 14, 1954: 'Under God' was added to the Pledge of Allegiance | Today in History. 2.4K views · 2 years ago more
Doc 2: On July 30, 1956, two years after pushing to have the phrase “under God” inserted into the pledge of allegiance, President Dwight D. Eisenhower signs a law
Doc 3: President Eisenhower agreed and signed legislation into law on June 14, 1954 – on Flag Day. He said,. From this day forward, the millions of our
Doc 4: On June 14, 1954, President Dwight Eisenhower signed a bill to insert the phrase “under God” into the U.S. Pledge of Allegiance that children
Doc 5:  was the force behind the change to the wording, which originally did not include any mention fo God. Don't miss out on the latest news