A People's Calendar (aPC) is an open-source project that seeks to promote the worldwide history of working class movements and liberation struggles in the form of a searchable "On This Day" style calendar.
On this day in 1921, the first skirmishes of the Battle of Blair Mountain took place. More than 10,000 armed workers battled with state forces, making it the largest post-Civil War uprising and the largest labor uprising in U.S. history.
Image: Three miners with a federal soldier prepare to surrender their weapons