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On this day in 2008, the worst Greek riots in decades began after Alexandros Grigoropoulos, a 15-year-old student, was killed by police in Athens. On December 10th, more than two million workers participated in a one-day general strike.
The Monongah Mining Disaster, described as the "the worst mining disaster in American history", took place on this day in 1907 in West Virginia, killing 362 of the 367 miners who worked there, nearly all of them immigrants.
On this day in 1977, around 1,000 workers rioted outside the Swadeshi Cotton Mill in Kanpur, India due to deferred wages, battling with police forces. More than 300 workers disappeared in the aftermath of the violence.
On this day in 1918, members of the British West Indies Regiment began a four-day mutiny, facing pay and rank discrimination within the British Army. ~60 soldiers were tried for mutiny, and one was executed by firing squad.
Image: British West India Regiment troops in France, 1916. Photograph copyright Imperial War Museum
The École Polytechnique Massacre was an anti-feminist mass shooting that killed 14 women at the École Polytechnique engineering school in Montreal on this day in 1989.