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 the 5 day work week start?" whose answer is 1908.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the 5 day work week start
Useful Output:

Doc 1: A history of the made up five-day workweek · The four-day workweek is gaining ground in Europe. It's time Americans give it a serious look. · We
Doc 2: In 1922, the industrialist told employees he was instituting a 40-hour, five-day workweek and that his automotive plants would be closed
Doc 3: In 1926, Henry Ford, the founder of Ford Motor Company, made a bold move by introducing a 40-hour work week for his employees. Ford believed
Doc 4: But it wasn't until 1922, when industrialist Henry Ford began experimenting with a 40-hour workweek, that employees got their first taste of the
Doc 5: This article explores the history of the workday and weekend, from ancient rest days to the rise of the 4-day workweek.