One doesn't fret upon why at all he is working... Good morning. Happy #internationallabourday. May 1 is marked as International Labour Day, also referred as May Day. The day celebrates labourers and the working class. During industrialization in beginning of the 19th Century, the industrialists used to exploit the labour class and made them work up to 15 hours a day. The workers rose against this exploitation and demanded paid leaves, proper wages and breaks for the workforce. The eight-hour day labour movement advocated eight hours for work, eight hours for recreation, and eight hours for rest. The Labour Day annually celebrates the achievements of the workers.