May 1st - International Workers' Day (May Day) 2013
Ottawa – April 29, 2013 – On May 1st, workers and social justice activists in more than 80 countries around the world will celebrate International Workers' Day – also known as May Day – to commemorate the 1886 Haymarket Massacre in Chicago, Illinois, where police opened fire on a brave group of workers who were striking for an eight-hour workday.