1821

Clara Barton (Founder of the American Red Cross)

Fyodor Dostoyevsky (Author)

Mary Baker Eddy (Religious Leader)

Sir Richard Burton (Explorer, Writer, Ethnologist, Linguist, Poet, Diplomat)

Elizabeth Blackwell (First woman to receive a medical degree in the United States)

John Chivington (American officer, Sand Creek Massacre)

James Longstreet (Confederate general)

Five Central American nations – Costa Rica, El Salvador, Guatemala, Honduras and Nicaragua – declared independence from Spain.

Mexico gained its independence from Spain with the Treaty of Cordoba.

Missouri became the 24th state in the United States.

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