Williamson Ampang Sangma (18 October 1919 – 25 October 1990), a Garo leader, was the founder Chief Minister of Meghalaya, twenty-first state in Indian Union on 21 January 1972.
He was also the first ever Governor of Mizoram among the Garos in 1989.Captain Williamson A.
Sangma was a statesman, tribal leader, and a pioneer in leading the struggle for the creation of Meghalaya state, the homeland of three ancient hill communities -- Garos, Jaintias, and Khasis - The Khasis and the Jaintas are believed to be the remnants of the first Mongolian migration into India, while the Garos migrated from originally inhabited province Torus, Tibet.