https://www.cnbc.com/2018/07/16/amazon-prime-day-threatened-by-strikes-at-european-warehouses.html > Amazon workers in Spain went on strike Monday to protest working conditions at the e-commerce giant's warehouses, just as its massive Prime Day sales kick off. > A group called Amazon En Lucha organized the walk out at the company's fulfillment center just outside the Spanish capital of Madrid. The strike will last until July 18 and the employees also called for Amazon workers around Europe to go on strike.