On this day in 1953, the CIA authorized the launch of the mind control program known as Project MKUltra.

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On this day in 1988, the OncoMouse was patented in the U.S.

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On this day in 1899, chemist Percy Lavon Julian was born.

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On this day in 1815, Mount Tambora produced one of the largest and deadliest eruptions in recorded history.

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On this day in 1816, the African Methodist Episcopal Church was formed when Richard Allen and Daniel Coker called Black Methodists to meet in Philadelphia.

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On this day in 1905, anti-apartheid activist Helen Joseph was born.

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On this day in 1963, Tito was proclaimed president for life of the newly renamed Socialist Federal Republic of Yugoslavia.

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On this day in 1917, artist and writer Leonora Carrington was born in England.

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On this day in 1958, the peaks of an underwater mountain called Ripple Rock were destroyed in an explosion, so they would no longer pose a hazard to passing ships.

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On this day in 1828, Scottish writer Margaret Oliphant was born.

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