Lincoln singed the Emancipation Proclamation on January 1st, 1863.
Slavery developed in the American colonies in the mid-1600s due to the economy of the South depending on the cultivation of crops; the need for agricultural labor led to the establishment of slavery.
He was called "the father of liberalism" 17th century philosopher. Also he was a doc too
It's said to be a subatomic particle that explains weak and electromagnetic interactions. It's named after Peter W. Higgs, a physicist. :)
