Take a look at some of these photos from the Library of Congress National Child Labor Committee Collection (the photos are by Lewis Hine and were taken about 100 years ago4):
Library of Congress description:
Boy with coat in hand is 11 years old. Been there 9 months. Started at 50 cents a day. Now gets 60 cents. Loray Mill. "When I sweeps double space I gets 90 cents a day, but it makes you work. " (Look at the boy.) Two "infants" appeared at the door, and vanished back immediately on seeing me. Location: Gastonia, North Carolina.
Be thankful that we no longer live in a time when workers had to work 60 hours a week for peanuts, when children younger than 10 were found working in factories or selling goods on the streets, when on-the-job worker health and welfare was ignored by bosses. Be thankful that we get a day off to celebrate Labor Day! Have a safe day--wear sunscreen, drink responsibly, etc. and we'll see you tomorrow.