Borrowed from the Battle of Homestead Foundation.
Here is a special offer on a good history of May Day and why it's important:
May Day 50% off!
In Celebration of May Day, the workers' holiday, International Publishers is offering Philip S. Foner's May Day at 50% off.First published, in 1986 during the centennial of May Day, Foner's history is essential reading.
Use coupon code MayDay when you check out. Only at intpubnyc.com