Protests under the “50501” movement – short for 50 protests, 50 states, 1 movement – in response to the Trump administration’s flurry of moves over its first 100 days are set to take place across the country Thursday for May Day.

From worker rights rallies to marches for social justice, activists around the globe will kick off May Day demonstrations on Thursday. In some countries, it’s a public holiday honoring labor, but activists planning marches in the United States say much of their message is about fighting back against President Donald Trump’s policies