On this day in 1846, the Bear Flag Revolt began when a group of Americans invaded Sonoma. / On this day in 1872, Parliament passed the Trade Unions Act in Canada, legalizing unions. 

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On this day in 1911, physicist and Nobel Prize winner Luis W. Alavarez was born. / On this day in 1971, the New York Times began publishing excerpts from the Pentagon Papers.

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On this day in 1929, Anne Frank was born in Germany. / On this day in 1892, writer and illustrator Djuna Barnes was born.

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On this day in 1971, the occupation of Alcatraz by the Indians of All Tribes ended when federal marshals removed the Native Americans who remained on the island. / 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 1838, the Myall Creek Massacre occurred in New South Wales. / On this day in 1980, the African National Congress published a message that anti-apartheid leader Nelson Mandela wrote in response to the Soweto Uprising in 1976.

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On this day, writer, pacifist and Nobel Peace Prize winner Bertha von Suttner was born. / On this day in 1934, Disney's character Donald Duck made his debut in the animated short film "The Wise Little Hen."

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On this day in 1972, photographer Nick Út took the Pulitzer Prize-winning image that became known as the "napalm girl" photo. / On this day in 1783 a volcanic fissure in Iceland called Laki began erupting.

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On this day, Paul Blobel -- leader of the Aktion 1005 operation to get rid of evidence of Nazi mass murders -- was executed. / 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 1984, the video game "Tetris" was released. / On this day in 1825, Kamehameha III becomes the third king of the Kingdom of Hawaii.

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On this day in 1981, the first report on AIDS was published in the Morbidity and Mortality Weekly Report, before AIDS was identified as a syndrome. / On this day in 1878, revolutionary leader Pancho Villa was born in Mexico.

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