They had to manage to get us the five-day work week first, which is substantially less than 100 years old in the US.

97 years (since Ford implemented the 5 day week for his workers) is not substantially less than 100, and it’s been 115 years since the first textile mills in NJ instated a 5 day week so their Jewish employees didn’t have to work on their sabbath, either. In VA in 1607 the work week was 36 hours.