In Arizona, a sea of 50,000 striking teachers dressed in red T-shirts rallied at the state Capitol on Monday to demand better funding for education—and the teachers now say the strike will continue today, on May Day, or International Workers’ Day. Major mobilizations marking the workers’ holiday have already begun across the world, with thousands of workers rallying across Asia, including in Indonesia, Hong Kong, Taiwan and South Korea. More marches and actions are planned to take place across Europe, Africa and the Americas throughout the day.