On this day in 1872, Parliament passed the Trade Unions Act in Canada, legalizing unions. 

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On this day in 1971, the New York Times began publishing excerpts from the Pentagon Papers.

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On this day in 1892, writer and illustrator Djuna Barnes was born.

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On this day in 1837, a riot broke out in Boston when a fire company met an Irish funeral procession.

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On this day in 1783 a volcanic fissure in Iceland called Laki began erupting.

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On this day in 1917, poet Gwendolyn Brooks was born. Brooks was the first Black American writer to win a Pulitzer Prize.

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On this day in 1825, Kamehameha III becomes the third king of the Kingdom of Hawaii.

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On this day in 1878, revolutionary leader Pancho Villa was born in Mexico.

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On this day in 1913, suffragette Emily Davison was trampled by a horse at the Epsom Derby.

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On this day in 1897, blues singer and guitarist Memphis Minnie was born.

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