Los Angeles is expected to host one of the world’s largest May Day events this year — just days after Trump passed the 100-day mark of his return to office. Organizers say the protests reflect mounting frustration with policies they see as favoring tycoons over workers and corporations over communities.

The holiday, also known as International Workers’ Day or Labor Day, marks the struggles and achievements of workers and the labor movement.

Shouting “banzai!” or “live long,” thousands of people gathered in a Tokyo park on Thursday and marched through the streets to the banging of traditional drums, as Japan kicked off celebrations to mark May Day.

Protests under the “50501” movement – short for 50 protests, 50 states, 1 movement – in response to the Trump administration’s controversial moves against immigrants and federal workers over its first 100 days are happening across the country Thursday.

For the third time in a month, tens of thousands of protesters took to the streets, government buildings and the White House in a nationwide rally against the Trump administration. Driving the news: Thursday's May Day protests fall on International Workers' Day and are calling attention to policies that affect working people,